xmms-sid: src/xs_curve.c annotate

annotate src/xs_curve.c @ 502:54d86ee98b98

Alpha/preliminary curve widget code merged.

author	Matti Hamalainen <ccr@tnsp.org>
date	Sat, 27 Jan 2007 02:52:02 +0000
parents	0f255a575720
children	982cec405ef0

rev	line source
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 #include <stdlib.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2 #include <string.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3 #include <math.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	4
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	5 #include <stdio.h>
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	6
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	7 #include "xs_curve.h"
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	8 #include <gtk/gtkdrawingarea.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	9 #include <gtk/gtkmain.h>
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	10 #include <gtk/gtksignal.h>
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	11
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	12
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	13 #define GET_X(i) curve->ctlpoints[i].x
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	14 #define GET_Y(i) curve->ctlpoints[i].y
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	15
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	16
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	17 #define RADIUS 3 /* radius of the control points */
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	18 #define RADIUS2 (RADIUS * 2)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	19
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	20 #define MIN_DISTANCE 8 /* min distance between control points */
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	21
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	22 #define GRAPH_MASK (GDK_EXPOSURE_MASK \| \
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	23 GDK_POINTER_MOTION_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	24 GDK_POINTER_MOTION_HINT_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	25 GDK_ENTER_NOTIFY_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	26 GDK_BUTTON_PRESS_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	27 GDK_BUTTON_RELEASE_MASK \| \
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	28 GDK_BUTTON1_MOTION_MASK)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	29
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	30 enum {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	31 ARG_0,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	32 ARG_CURVE_TYPE,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	33 ARG_MIN_X,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	34 ARG_MAX_X,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	35 ARG_MIN_Y,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	36 ARG_MAX_Y
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	37 };
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	38
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	39 static GtkDrawingAreaClass *parent_class = NULL;
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	40
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	41 static void xs_curve_class_init(XSCurveClass * class);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	42 static void xs_curve_init(XSCurve * curve);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	43 static void xs_curve_set_arg(GtkObject * object, GtkArg * arg, guint arg_id);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	44 static void xs_curve_get_arg(GtkObject * object, GtkArg * arg, guint arg_id);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	45 static void xs_curve_finalize(GtkObject * object);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	46 static gint xs_curve_graph_events(GtkWidget * widget, GdkEvent * event, XSCurve * c);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	47 static void xs_curve_size_graph(XSCurve * curve);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	48
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	49
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	50 GtkType xs_curve_get_type(void)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	51 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	52 static GtkType curve_type = 0;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	53
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	54 if (!curve_type) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	55 static const GtkTypeInfo curve_info = {
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	56 "XSCurve",
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	57 sizeof(XSCurve),
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	58 sizeof(XSCurveClass),
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	59 (GtkClassInitFunc) xs_curve_class_init,
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	60 (GtkObjectInitFunc) xs_curve_init,
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	61 /* reserved_1 */ NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	62 /* reserved_2 */ NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	63 (GtkClassInitFunc) NULL,
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	64 };
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	65
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	66 curve_type = gtk_type_unique(GTK_TYPE_DRAWING_AREA, &curve_info);
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	67 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	68 return curve_type;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	69 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	70
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	71
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	72 static void xs_curve_class_init(XSCurveClass *class)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	73 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	74 GtkObjectClass *object_class;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	75
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	76 parent_class = gtk_type_class(GTK_TYPE_DRAWING_AREA);
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	77
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	78 object_class = (GtkObjectClass *) class;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	79
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	80 object_class->set_arg = xs_curve_set_arg;
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	81 object_class->get_arg = xs_curve_get_arg;
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	82 object_class->finalize = xs_curve_finalize;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	83
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	84 gtk_object_add_arg_type("XSCurve::min_x", GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_MIN_X);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	85 gtk_object_add_arg_type("XSCurve::max_x", GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_MAX_X);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	86 gtk_object_add_arg_type("XSCurve::min_y", GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_MIN_Y);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	87 gtk_object_add_arg_type("XSCurve::max_y", GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_MAX_Y);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	88 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	89
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	90
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	91 static void xs_curve_init(XSCurve *curve)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	92 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	93 gint old_mask;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	94
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	95 curve->pixmap = NULL;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	96 curve->height = 0;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	97 curve->grab_point = -1;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	98
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	99 curve->num_ctlpoints = 0;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	100 curve->ctlpoints = NULL;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	101
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	102 curve->min_x = 0.0;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	103 curve->max_x = 2048.0;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	104 curve->min_y = 0.0;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	105 curve->max_y = 22000.0;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	106
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	107 old_mask = gtk_widget_get_events(GTK_WIDGET(curve));
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	108 gtk_widget_set_events(GTK_WIDGET(curve), old_mask \| GRAPH_MASK);
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	109 gtk_signal_connect(GTK_OBJECT(curve), "event", (GtkSignalFunc) xs_curve_graph_events, curve);
df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	110 xs_curve_size_graph(curve);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	111 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	112
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	113
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	114 static void xs_curve_set_arg(GtkObject object, GtkArg arg, guint arg_id)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	115 {
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	116 XSCurve *curve = XS_CURVE(object);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	117
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	118 switch (arg_id) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	119 case ARG_MIN_X:
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	120 xs_curve_set_range(curve, GTK_VALUE_FLOAT(*arg), curve->max_x, curve->min_y, curve->max_y);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	121 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	122 case ARG_MAX_X:
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	123 xs_curve_set_range(curve, curve->min_x, GTK_VALUE_FLOAT(*arg), curve->min_y, curve->max_y);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	124 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	125 case ARG_MIN_Y:
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	126 xs_curve_set_range(curve, curve->min_x, curve->max_x, GTK_VALUE_FLOAT(*arg), curve->max_y);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	127 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	128 case ARG_MAX_Y:
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	129 xs_curve_set_range(curve, curve->min_x, curve->max_x, curve->min_y, GTK_VALUE_FLOAT(*arg));
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	130 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	131 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	132 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	133
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	134
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	135 static void xs_curve_get_arg(GtkObject object, GtkArg arg, guint arg_id)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	136 {
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	137 XSCurve *curve = XS_CURVE(object);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	138
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	139 switch (arg_id) {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	140 case ARG_MIN_X:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	141 GTK_VALUE_FLOAT(*arg) = curve->min_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	142 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	143 case ARG_MAX_X:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	144 GTK_VALUE_FLOAT(*arg) = curve->max_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	145 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	146 case ARG_MIN_Y:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	147 GTK_VALUE_FLOAT(*arg) = curve->min_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	148 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	149 case ARG_MAX_Y:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	150 GTK_VALUE_FLOAT(*arg) = curve->max_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	151 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	152 default:
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	153 arg->type = GTK_TYPE_INVALID;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	154 break;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	155 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	156 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	157
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	158
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	159 static int xs_project(gfloat value, gfloat min, gfloat max, int norm)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	160 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	161 return (norm - 1) * ((value - min) / (max - min)) + 0.5;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	162 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	163
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	164
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	165 static gfloat xs_unproject(gint value, gfloat min, gfloat max, int norm)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	166 {
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	167 return value / (gfloat) (norm - 1) * (max - min) + min;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	168 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	169
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	170
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	171 static inline void xs_cubic_coeff(gfloat x1, gfloat y1,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	172 gfloat x2, gfloat y2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	173 gfloat k1, gfloat k2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	174 gfloat a, gfloat b,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	175 gfloat c, gfloat d)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	176 {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	177 gfloat dx = x2 - x1, dy = y2 - y1;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	178
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	179 a = ((k1 + k2) - 2 dy / dx) / (dx * dx);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	180 b = ((k2 - k1) / dx - 3 (x1 + x2) * (*a)) / 2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	181 c = k1 - (3 x1 * (a) + 2 (b)) x1;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	182 d = y1 - ((x1 (a) + (b)) * x1 + (c)) x1;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	183 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	184
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	185 #define x(val) val->x
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	186 #define y(val) val->y
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	187
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	188 static void xs_curve_draw(XSCurve *curve, gint width, gint height)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	189 {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	190 gfloat res = 10.0f;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	191 GtkStateType state;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	192 GtkStyle *style;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	193 gint i;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	194 t_xs_point p0, p1, p2, p3;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	195
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	196 if (!curve->pixmap)
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	197 return;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	198
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	199 state = GTK_STATE_NORMAL;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	200 if (!GTK_WIDGET_IS_SENSITIVE(GTK_WIDGET(curve)))
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	201 state = GTK_STATE_INSENSITIVE;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	202
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	203 style = GTK_WIDGET(curve)->style;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	204
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	205 /* Clear the pixmap */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	206 gtk_paint_flat_box(style, curve->pixmap,
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	207 GTK_STATE_NORMAL, GTK_SHADOW_NONE,
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	208 NULL, GTK_WIDGET(curve), "curve_bg",
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	209 0, 0,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	210 width + RADIUS2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	211 height + RADIUS2);
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	212
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	213
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	214 /* Draw the grid */
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	215 for (i = 0; i < 5; i++) {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	216 gdk_draw_line(curve->pixmap, style->dark_gc[state],
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	217 RADIUS, i * (height / 4.0) + RADIUS,
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	218 width + RADIUS, i * (height / 4.0) + RADIUS);
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	219
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	220 gdk_draw_line(curve->pixmap, style->dark_gc[state],
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	221 i * (width / 4.0) + RADIUS, RADIUS,
58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	222 i * (width / 4.0) + RADIUS, height + RADIUS);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	223 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	224
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	225
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	226 /* Draw the spline/curve itself */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	227 p0 = curve->ctlpoints;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	228 p1 = p0; p1++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	229 p2 = p1; p2++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	230 p3 = p2; p3++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	231
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	232 /* Draw each curve segment */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	233 fprintf(stderr, "npoints = %d\n", curve->num_ctlpoints);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	234 for (i = 0; i < curve->num_ctlpoints; i++, ++p0, ++p1, ++p2, ++p3) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	235 gfloat k1, k2, a, b, c, d, x;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	236
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	237 /* p1 and p2 equal; single point */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	238 if (x(p1) == x(p2))
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	239 continue;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	240
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	241 /* Both end points repeated; straight line */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	242 if (x(p0) == x(p1) && x(p2) == x(p3)) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	243 k1 = k2 = (y(p2) - y(p1)) / (x(p2) - x(p1));
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	244 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	245 /* p0 and p1 equal; use f''(x1) = 0 */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	246 else if (x(p0) == x(p1)) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	247 k2 = (y(p3) - y(p1)) / (x(p3) - x(p1));
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	248 k1 = (3 * (y(p2) - y(p1)) / (x(p2) - x(p1)) - k2) / 2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	249 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	250 /* p2 and p3 equal; use f''(x2) = 0 */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	251 else if (x(p2) == x(p3)) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	252 k1 = (y(p2) - y(p0)) / (x(p2) - x(p0));
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	253 k2 = (3 * (y(p2) - y(p1)) / (x(p2) - x(p1)) - k1) / 2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	254 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	255 /* Normal curve */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	256 else {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	257 k1 = (y(p2) - y(p0)) / (x(p2) - x(p0));
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	258 k2 = (y(p3) - y(p1)) / (x(p3) - x(p1));
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	259 }
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	260
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	261 xs_cubic_coeff(x(p1), y(p1), x(p2), y(p2), k1, k2, &a, &b, &c, &d);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	262
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	263 fprintf(stderr, "--seg[%1.3f, %1.3f]=>[%1.3f, %1.3f]--\n",
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	264 x(p1), y(p1), x(p2), y(p2));
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	265
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	266 for (x = x(p1); x <= x(p2); x += res) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	267 gfloat y = ((a * x + b) * x + c) * x + d;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	268 gint qx, qy;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	269 qx = RADIUS + xs_project(x, curve->min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	270 qy = RADIUS + xs_project(y, curve->min_y, curve->max_y, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	271
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	272 fprintf(stderr, "[%1.3f, %1.3f] -> %d, %d\n", x, y, qx, qy);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	273
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	274 gdk_draw_point(curve->pixmap, style->fg_gc[state],
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	275 RADIUS + xs_project(x, curve->min_x, curve->max_x, width),
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	276 RADIUS + xs_project(y, curve->min_y, curve->max_y, height)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	277 );
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	278
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	279 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	280
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	281 fprintf(stderr, "-------\n");
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	282 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	283
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	284 /* Draw control points */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	285 for (i = 0; i < curve->num_ctlpoints; ++i) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	286 gint x, y;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	287
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	288 if (GET_X(i) < curve->min_x \|\| GET_Y(i) < curve->min_y \|\|
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	289 GET_X(i) >= curve->max_x \|\| GET_Y(i) >= curve->max_y)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	290 continue;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	291
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	292 x = xs_project(GET_X(i), curve->min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	293 y = xs_project(GET_Y(i), curve->min_y, curve->max_y, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	294
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	295 gdk_draw_arc(curve->pixmap, style->fg_gc[state], TRUE,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	296 x, y, RADIUS2, RADIUS2, 0, 360 * 64);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	297 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	298
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	299 /* Draw pixmap in the widget */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	300 gdk_draw_pixmap(GTK_WIDGET(curve)->window,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	301 style->fg_gc[state], curve->pixmap,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	302 0, 0, 0, 0,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	303 width + RADIUS2,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	304 height + RADIUS2);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	305 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	306
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	307 #undef x
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	308 #undef y
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	309
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	310
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	311 static gint xs_curve_graph_events(GtkWidget widget, GdkEvent event, XSCurve *curve)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	312 {
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	313 GdkCursorType new_type = curve->cursor_type;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	314 GdkEventButton *bevent;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	315 GdkEventMotion *mevent;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	316 GtkWidget *w;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	317 gint i, width, height, x, y, tx, ty, cx, closest_point = 0, min_x;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	318 guint distance;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	319
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	320 w = GTK_WIDGET(curve);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	321 width = w->allocation.width - RADIUS2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	322 height = w->allocation.height - RADIUS2;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	323
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	324 if ((width < 0) \|\| (height < 0))
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	325 return FALSE;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	326
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	327 /* get the pointer position */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	328 gdk_window_get_pointer(w->window, &tx, &ty, NULL);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	329 x = CLAMP((tx - RADIUS), 0, width - 1);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	330 y = CLAMP((ty - RADIUS), 0, height - 1);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	331
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	332 min_x = curve->min_x;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	333
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	334 distance = ~0U;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	335 for (i = 0; i < curve->num_ctlpoints; ++i) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	336 cx = xs_project(GET_X(i), min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	337 if ((guint) abs(x - cx) < distance) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	338 distance = abs(x - cx);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	339 closest_point = i;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	340 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	341 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	342
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	343 /* Act based on event type */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	344 switch (event->type) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	345 case GDK_CONFIGURE:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	346 if (curve->pixmap)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	347 gdk_pixmap_unref(curve->pixmap);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	348 curve->pixmap = 0;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	349
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	350 /* fall through */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	351
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	352 case GDK_EXPOSE:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	353 if (!curve->pixmap) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	354 curve->pixmap = gdk_pixmap_new(w->window,
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	355 w->allocation.width, w->allocation.height, -1);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	356 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	357 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	358 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	359
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	360 case GDK_BUTTON_PRESS:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	361 gtk_grab_add(widget);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	362
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	363 bevent = (GdkEventButton *) event;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	364 new_type = GDK_TCROSS;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	365
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	366 if (distance > MIN_DISTANCE) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	367 /* insert a new control point */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	368 if (curve->num_ctlpoints > 0) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	369 cx = xs_project(GET_X(closest_point), min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	370 if (x > cx) closest_point++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	371 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	372
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	373 curve->num_ctlpoints++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	374
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	375 curve->ctlpoints = g_realloc(curve->ctlpoints, curve->num_ctlpoints * sizeof(*curve->ctlpoints));
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	376 for (i = curve->num_ctlpoints - 1; i > closest_point; --i) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	377 memcpy(curve->ctlpoints + i, curve->ctlpoints + i - 1, sizeof(*curve->ctlpoints));
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	378 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	379 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	380
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	381 curve->grab_point = closest_point;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	382 GET_X(curve->grab_point) = xs_unproject(x, min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	383 GET_Y(curve->grab_point) = xs_unproject(y, curve->min_y, curve->max_y, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	384
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	385 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	386 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	387
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	388 case GDK_BUTTON_RELEASE:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	389 {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	390 gint src, dst;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	391
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	392 gtk_grab_remove(widget);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	393
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	394 /* delete inactive points: */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	395 for (src = dst = 0; src < curve->num_ctlpoints; ++src)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	396 if (GET_X(src) >= min_x) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	397 memcpy(curve->ctlpoints + dst, curve->ctlpoints + src, sizeof(*curve->ctlpoints));
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	398 dst++;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	399 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	400
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	401 if (dst < src) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	402 curve->num_ctlpoints -= (src - dst);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	403 if (curve->num_ctlpoints <= 0) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	404 curve->num_ctlpoints = 1;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	405 GET_X(0) = min_x;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	406 GET_Y(0) = curve->min_y;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	407 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	408 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	409 curve->ctlpoints = g_realloc(curve->ctlpoints, curve->num_ctlpoints * sizeof(*curve->ctlpoints));
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	410 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	411
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	412 new_type = GDK_FLEUR;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	413 curve->grab_point = -1;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	414 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	415 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	416
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	417 case GDK_MOTION_NOTIFY:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	418 mevent = (GdkEventMotion *) event;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	419
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	420 if (curve->grab_point == -1) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	421 /* if no point is grabbed... */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	422 if (distance <= MIN_DISTANCE)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	423 new_type = GDK_FLEUR;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	424 else
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	425 new_type = GDK_TCROSS;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	426 } else {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	427 gint leftbound, rightbound;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	428
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	429 /* drag the grabbed point */
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	430 new_type = GDK_TCROSS;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	431
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	432 leftbound = -MIN_DISTANCE;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	433 if (curve->grab_point > 0) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	434 leftbound = xs_project(
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	435 GET_X(curve->grab_point-1),
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	436 min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	437 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	438
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	439 rightbound = width + RADIUS2 + MIN_DISTANCE;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	440 if (curve->grab_point + 1 < curve->num_ctlpoints) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	441 rightbound = xs_project(
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	442 GET_X(curve->grab_point+1),
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	443 min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	444 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	445
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	446 if ((tx <= leftbound) \|\| (tx >= rightbound) \|\|
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	447 (ty > height + RADIUS2 + MIN_DISTANCE) \|\| (ty < -MIN_DISTANCE)) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	448 GET_X(curve->grab_point) = min_x - 1.0;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	449 } else {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	450 GET_X(curve->grab_point) =
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	451 xs_unproject(x, min_x, curve->max_x, width);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	452 GET_Y(curve->grab_point) =
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	453 xs_unproject(y, curve->min_y, curve->max_y, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	454 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	455
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	456 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	457 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	458
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	459 if (new_type != (GdkCursorType) curve->cursor_type) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	460 GdkCursor *cursor;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	461
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	462 curve->cursor_type = new_type;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	463
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	464 cursor = gdk_cursor_new(curve->cursor_type);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	465 gdk_window_set_cursor(w->window, cursor);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	466 gdk_cursor_destroy(cursor);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	467 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	468 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	469
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	470 default:
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	471 break;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	472 }
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	473
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	474 return FALSE;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	475 }
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	476
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	477
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	478 static void xs_curve_size_graph(XSCurve *curve)
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	479 {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	480 gint width, height;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	481 gfloat aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	482
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	483 width = (curve->max_x - curve->min_x) + 1;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	484 height = (curve->max_y - curve->min_y) + 1;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	485 aspect = width / (gfloat) height;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	486
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	487 if (width > gdk_screen_width() / 4)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	488 width = gdk_screen_width() / 4;
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	489
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	490 if (height > gdk_screen_height() / 4)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	491 height = gdk_screen_height() / 4;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	492
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	493 if (aspect < 1.0)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	494 width = height * aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	495 else
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	496 height = width / aspect;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	497
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	498 gtk_drawing_area_size(GTK_DRAWING_AREA(curve), width + RADIUS2, height + RADIUS2);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	499 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	500
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	501
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	502 void xs_curve_reset(XSCurve *curve)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	503 {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	504 if (curve->ctlpoints)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	505 g_free(curve->ctlpoints);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	506
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	507 curve->num_ctlpoints = 4;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	508 curve->ctlpoints = g_malloc(curve->num_ctlpoints * sizeof(curve->ctlpoints[0]));
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	509
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	510 GET_X(0) = curve->min_x;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	511 GET_Y(0) = curve->min_y;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	512
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	513 GET_X(1) = curve->min_x;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	514 GET_Y(1) = curve->min_y;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	515
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	516 GET_X(2) = curve->max_x;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	517 GET_Y(2) = curve->max_y;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	518
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	519 GET_X(3) = curve->max_x;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	520 GET_Y(3) = curve->max_y;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	521
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	522 if (curve->pixmap) {
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	523 gint width, height;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	524
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	525 width = GTK_WIDGET(curve)->allocation.width - RADIUS2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	526 height = GTK_WIDGET(curve)->allocation.height - RADIUS2;
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	527 xs_curve_draw(curve, width, height);
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	528 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	529 }
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	530
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	531
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	532 void xs_curve_set_range(XSCurve *curve, gfloat min_x, gfloat max_x, gfloat min_y, gfloat max_y)
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	533 {
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	534 curve->min_x = min_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	535 curve->max_x = max_x;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	536 curve->min_y = min_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	537 curve->max_y = max_y;
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	538
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	539 xs_curve_size_graph(curve);
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	540 xs_curve_reset(curve);
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	541 }
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	542
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	543
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	544 GtkWidget *xs_curve_new(void)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	545 {
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	546 return gtk_type_new(xs_curve_get_type());
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	547 }
4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	548
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	549
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	550 static void xs_curve_finalize(GtkObject *object)
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	551 {
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	552 XSCurve *curve;
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	553
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	554 g_return_if_fail(object != NULL);
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	555 g_return_if_fail(XS_IS_CURVE(object));
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	556
370 df6f12a00305 Work on filter curve widget begins, based on GtkCurve widget from Gtk+ 1.2.10. Matti Hamalainen <ccr@tnsp.org> parents: 359 diff changeset	557 curve = XS_CURVE(object);
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	558
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	559 if (curve->pixmap)
b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	560 gdk_pixmap_unref(curve->pixmap);
502 54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	561
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	562 if (curve->ctlpoints)
54d86ee98b98 Alpha/preliminary curve widget code merged. Matti Hamalainen <ccr@tnsp.org> parents: 378 diff changeset	563 g_free(curve->ctlpoints);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	564
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 358 diff changeset	565 (*GTK_OBJECT_CLASS(parent_class)->finalize) (object);
358 4f247b19c9ea Add new files Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	566 }
374 58079c6180a0 More removal of original curve code. Matti Hamalainen <ccr@tnsp.org> parents: 370 diff changeset	567

Mercurial > hg > xmms-sid

annotate src/xs_curve.c @ 502:54d86ee98b98