1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/* -*-c-*- -------------- mixgtk_colorsel.c :
* Implementation of the functions declared in mixgtk_colorsel.h
* ------------------------------------------------------------------
* Last change: Time-stamp: "2001-04-22 01:54:20 jao"
* ------------------------------------------------------------------
* Copyright (C) 2001 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include <mixlib/mix.h>
#include "mixgtk_widgets.h"
#include "mixgtk_mixal.h"
#include "mixgtk_colorsel.h"
/* types of line colors */
#define LNO_ 3
/* colors per line */
#define ZNO_ 2
static GtkWidget *color_dialog_ = NULL;
static const char *anames_[LNO_][ZNO_] = {
{"bpbg_area", "bpfg_area"},
{"clbg_area", "clfg_area"},
{"plbg_area", "plfg_area"}
};
typedef struct
{
GtkWidget *area;
gboolean changed;
GdkColor color;
} area_id_t;
static area_id_t areas_[LNO_][ZNO_];
static area_id_t *current_ = NULL;
static GtkWidget *colorseldlg_ = NULL;
void
mixgtk_colorsel_init (void)
{
color_dialog_ = NULL;
colorseldlg_ = NULL;
current_ = NULL;
}
static void
set_area_color_ (GtkWidget *area, const GdkColor *color)
{
static GdkColor gdk_color;
GdkColormap *colormap = gdk_window_get_colormap (area->window);
g_assert (area);
g_assert (color);
gdk_color.red = color->red;
gdk_color.green = color->green;
gdk_color.blue = color->blue;
gdk_color_alloc (colormap, &gdk_color);
gdk_window_set_background (area->window, &gdk_color);
gdk_window_clear (area->window);
gtk_widget_draw (area, FALSE);
}
/* drawingarea event handler */
static gint
area_event_(GtkWidget *widget, GdkEvent *event, gpointer areaid)
{
/* Check if we've received a button pressed event */
if (event->type == GDK_BUTTON_PRESS)
{
current_ = (area_id_t *)areaid;
/* Show the dialog */
gtk_widget_show (colorseldlg_);
}
return FALSE;
}
/* initialise the color selection dialog */
static void
init_colorsel_ (void)
{
int i, j;
color_dialog_ = mixgtk_widget_factory_get_dialog (MIXGTK_COLOR_DIALOG);
g_assert (color_dialog_ != NULL);
colorseldlg_ = mixgtk_widget_factory_get_dialog (MIXGTK_COLORSEL_DIALOG);
g_assert (colorseldlg_ != NULL);
for (i = 0; i < LNO_; ++i)
for (j = 0; j < ZNO_; ++j)
{
areas_[i][j].area =
mixgtk_widget_factory_get_child_by_name
(MIXGTK_COLOR_DIALOG, anames_[i][j]);
g_assert (areas_[i][j].area != NULL);
areas_[i][j].changed = FALSE;
gtk_widget_set_events (areas_[i][j].area, GDK_BUTTON_PRESS_MASK);
gtk_signal_connect (GTK_OBJECT(areas_[i][j].area), "event",
(GtkSignalFunc)area_event_,
(gpointer)&areas_[i][j]);
}
}
/* gtk callbacks */
void
on_colors_activate (GtkWidget *w, gpointer p)
{
int i, j;
/* must show widget before changing its colors */
if (!color_dialog_) init_colorsel_ ();
gtk_widget_show (color_dialog_);
for (i = 0; i < LNO_; ++i)
for (j = 0; j < ZNO_; ++j)
{
areas_[i][j].changed = FALSE;
set_area_color_ (areas_[i][j].area, mixgtk_mixal_get_color (i, j));
}
current_ = NULL;
}
void
on_ok_colorseldlg_clicked (GtkWidget *widget, gpointer data)
{
static gdouble color[3];
GtkWidget *colorsel = GTK_COLOR_SELECTION_DIALOG (colorseldlg_)->colorsel;
gtk_widget_hide (colorseldlg_);
/* Get current color */
gtk_color_selection_get_color (GTK_COLOR_SELECTION (colorsel), color);
/* Fit to a unsigned 16 bit integer (0..65535) and
* insert into the GdkColor structure */
current_->color.red = (guint16)(color[0]*65535.0);
current_->color.green = (guint16)(color[1]*65535.0);
current_->color.blue = (guint16)(color[2]*65535.0);
set_area_color_ (current_->area, ¤t_->color);
current_->changed = TRUE;
}
void
on_cancel_colorseldlg_clicked (GtkWidget *widget, gpointer data)
{
gtk_widget_hide (colorseldlg_);
}
void
on_colors_apply_clicked (GtkWidget *widget, gpointer data)
{
int i, j;
for (i = 0; i < LNO_; ++i)
for (j = 0; j < ZNO_; ++j)
{
if (areas_[i][j].changed)
mixgtk_mixal_set_color (i, j, &areas_[i][j].color);
}
}
void
on_colors_ok_clicked (GtkWidget *widget, gpointer data)
{
on_colors_apply_clicked (widget, data);
gtk_widget_hide (color_dialog_);
}
void
on_colors_cancel_clicked (GtkWidget *widget, gpointer data)
{
gtk_widget_hide (color_dialog_);
}
|
