1 /*
2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 2001-2012 Hiroyuki Yamamoto & The Claws Mail Team
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 *
18 */
19
20 /* (alfons) - based on a contribution by Satoshi Nagayasu; revised for colorful
21 * menu and more Sylpheed integration. The idea to put the code in a separate
22 * file is just that it make it easier to allow "user changeable" label colors.
23 */
24
25 #include "defs.h"
26
27 #include <glib.h>
28 #include <glib/gi18n.h>
29 #include <gtk/gtk.h>
30 #include <gdk/gdkkeysyms.h>
31
32 #include "colorlabel.h"
33 #include "utils.h"
34 #include "gtkutils.h"
35 #include "prefs_common.h"
36
37 static gchar *labels[COLORLABELS] = {
38 N_("Orange"),
39 N_("Red") ,
40 N_("Pink"),
41 N_("Sky blue"),
42 N_("Blue"),
43 N_("Green"),
44 N_("Brown"),
45 N_("Grey"),
46 N_("Light brown"),
47 N_("Dark red"),
48 N_("Dark pink"),
49 N_("Steel blue"),
50 N_("Gold"),
51 N_("Bright green"),
52 N_("Magenta")
53 };
54
55 static GdkColor default_colors[COLORLABELS] = {
56 { 0, 0xffff, (0x99 << 8), 0x0 },
57 { 0, 0xffff, 0x0, 0x0 },
58 { 0, 0xffff, (0x66 << 8), 0xffff },
59 { 0, 0x0, (0xcc << 8), 0xffff },
60 { 0, 0x0, 0x0, 0xffff },
61 { 0, 0x0, (0x99 << 8), 0x0 },
62 { 0, (0x66 << 8), (0x33 << 8), (0x33 << 8) },
63 { 0, (0xaa << 8), (0xaa << 8), (0xaa << 8) },
64 { 0, (0xc0 << 8), (0x72 << 8), (0x54 << 8) },
65 { 0, (0xc0 << 8), 0x0, 0x0 },
66 { 0, (0xcc << 8), (0x10 << 8), (0x74 << 8) },
67 { 0, (0x50 << 8), (0x94 << 8), (0xcd << 8) },
68 { 0, 0xffff, (0xd5 << 8), 0x0 },
69 { 0, 0x0, (0xd8 << 8), 0x0 },
70 { 0, (0xc0 << 8), (0x60 << 8), (0xc0 << 8) }
71 };
72
73
74 typedef enum LabelColorChangeFlags_ {
75 LCCF_COLOR = 1 << 0,
76 LCCF_LABEL = 1 << 1,
77 LCCF_ALL = LCCF_COLOR | LCCF_LABEL
78 } LabelColorChangeFlags;
79
80 /* XXX: if you add colors, make sure you also check the procmsg.h.
81 * color indices are stored as 3 bits; that explains the max. of 7 colors */
82 static struct
83 {
84 LabelColorChangeFlags changed;
85 /* color here is initialized from default_colors[] at startup */
86 GdkColor color;
87
88 /* XXX: note that the label member is supposed to be dynamically
89 * allocated and freed */
90 gchar *label;
91 GtkWidget *widget;
92 } label_colors[NUM_MENUS][COLORLABELS] = {
93 {
94 { LCCF_ALL, { 0 }, NULL, NULL },
95 { LCCF_ALL, { 0 }, NULL, NULL },
96 { LCCF_ALL, { 0 }, NULL, NULL },
97 { LCCF_ALL, { 0 }, NULL, NULL },
98 { LCCF_ALL, { 0 }, NULL, NULL },
99 { LCCF_ALL, { 0 }, NULL, NULL },
100 { LCCF_ALL, { 0 }, NULL, NULL },
101 { LCCF_ALL, { 0 }, NULL, NULL },
102 { LCCF_ALL, { 0 }, NULL, NULL },
103 { LCCF_ALL, { 0 }, NULL, NULL },
104 { LCCF_ALL, { 0 }, NULL, NULL },
105 { LCCF_ALL, { 0 }, NULL, NULL },
106 { LCCF_ALL, { 0 }, NULL, NULL },
107 { LCCF_ALL, { 0 }, NULL, NULL },
108 { LCCF_ALL, { 0 }, NULL, NULL }},
109 {
110 { LCCF_ALL, { 0 }, NULL, NULL },
111 { LCCF_ALL, { 0 }, NULL, NULL },
112 { LCCF_ALL, { 0 }, NULL, NULL },
113 { LCCF_ALL, { 0 }, NULL, NULL },
114 { LCCF_ALL, { 0 }, NULL, NULL },
115 { LCCF_ALL, { 0 }, NULL, NULL },
116 { LCCF_ALL, { 0 }, NULL, NULL },
117 { LCCF_ALL, { 0 }, NULL, NULL },
118 { LCCF_ALL, { 0 }, NULL, NULL },
119 { LCCF_ALL, { 0 }, NULL, NULL },
120 { LCCF_ALL, { 0 }, NULL, NULL },
121 { LCCF_ALL, { 0 }, NULL, NULL },
122 { LCCF_ALL, { 0 }, NULL, NULL },
123 { LCCF_ALL, { 0 }, NULL, NULL },
124 { LCCF_ALL, { 0 }, NULL, NULL }}
125 };
126
127 #define LABEL_COLOR_WIDTH 28
128 #define LABEL_COLOR_HEIGHT 16
129
130 #define LABEL_COLORS_ELEMS (sizeof label_colors[0] / sizeof label_colors[0][0])
131
132 #define G_RETURN_VAL_IF_INVALID_COLOR(color, val) \
133 do if ((color) < 0 || (color) >= LABEL_COLORS_ELEMS) { \
134 return val; \
135 } while(0)
136
137 #define INTCOLOR_TO_GDKCOLOR(intcolor, gdkcolor) \
138 gdkcolor.red = ((intcolor >> 16UL) & 0xFFUL) << 8UL; \
139 gdkcolor.green = ((intcolor >> 8UL) & 0xFFUL) << 8UL; \
140 gdkcolor.blue = ((intcolor) & 0xFFUL) << 8UL;
141
142 static void colorlabel_recreate (gint);
143 static void colorlabel_recreate_label (gint);
144
colorlabel_update_colortable_from_prefs(void)145 void colorlabel_update_colortable_from_prefs(void)
146 {
147 gint i, c;
148
149 for (i = 0; i < NUM_MENUS; i++) {
150 for (c = 0; c < COLORLABELS; c++) {
151 INTCOLOR_TO_GDKCOLOR(prefs_common.custom_colorlabel[c].color,
152 label_colors[i][c].color);
153 g_free(label_colors[i][c].label);
154 label_colors[i][c].label =
155 g_strdup(prefs_common.custom_colorlabel[c].label);
156 }
157 }
158 }
159
160
colorlabel_get_color_count(void)161 gint colorlabel_get_color_count(void)
162 {
163 return LABEL_COLORS_ELEMS;
164 }
165
colorlabel_get_color(gint color_index)166 GdkColor colorlabel_get_color(gint color_index)
167 {
168 GdkColor invalid = { 0 };
169
170 G_RETURN_VAL_IF_INVALID_COLOR(color_index, invalid);
171
172 return label_colors[0][color_index].color;
173 }
174
colorlabel_get_default_color(gint color_index)175 GdkColor colorlabel_get_default_color(gint color_index)
176 {
177 GdkColor invalid = { 0 };
178
179 G_RETURN_VAL_IF_INVALID_COLOR(color_index, invalid);
180
181 return default_colors[color_index];
182 }
183
colorlabel_get_color_default_text(gint color_index)184 gchar *colorlabel_get_color_default_text(gint color_index)
185 {
186 G_RETURN_VAL_IF_INVALID_COLOR(color_index, NULL);
187
188 return labels[color_index];
189 }
190
colorlabel_drawing_area_expose_event_cb(GtkWidget * widget,GdkEventExpose * expose,gpointer data)191 static gboolean colorlabel_drawing_area_expose_event_cb
192 (GtkWidget *widget, GdkEventExpose *expose, gpointer data)
193 {
194 cairo_t *cr;
195 GdkWindow *drawable = gtk_widget_get_window(widget);
196 GtkAllocation allocation;
197 gulong c = (gulong) GPOINTER_TO_INT(data);
198 GdkColor color;
199
200 INTCOLOR_TO_GDKCOLOR(c, color)
201
202 gdk_colormap_alloc_color(gtk_widget_get_colormap(widget), &color, FALSE, TRUE);
203 cr = gdk_cairo_create(drawable);
204 gtk_widget_get_allocation(widget, &allocation);
205
206 cairo_set_source_rgb(cr, 0., 0., 0.);
207 cairo_rectangle(cr, 0, 0,
208 allocation.width - 1,
209 allocation.height - 1);
210 cairo_stroke(cr);
211 gdk_cairo_set_source_color(cr, &color);
212 cairo_rectangle(cr, 1, 1,
213 allocation.width - 2,
214 allocation.height - 2);
215 cairo_fill(cr);
216 cairo_destroy(cr);
217
218 return FALSE;
219 }
220
colorlabel_create_color_widget(GdkColor color)221 static GtkWidget *colorlabel_create_color_widget(GdkColor color)
222 {
223 GtkWidget *widget;
224
225 widget = gtk_drawing_area_new();
226 gtk_widget_set_size_request(widget, LABEL_COLOR_WIDTH - 2,
227 LABEL_COLOR_HEIGHT - 4);
228
229 #define CL(x) (((gulong) (x) >> (gulong) 8) & 0xFFUL)
230 #define CR(r, g, b) ((CL(r) << (gulong) 16) | \
231 (CL(g) << (gulong) 8) | \
232 (CL(b)))
233
234 g_signal_connect(G_OBJECT(widget), "expose_event",
235 G_CALLBACK
236 (colorlabel_drawing_area_expose_event_cb),
237 GINT_TO_POINTER
238 ((gint)CR(color.red, color.green, color.blue)));
239
240 return widget;
241 }
242
243 /* XXX: colorlabel_recreate_XXX are there to make sure everything
244 * is initialized ok, without having to call a global _xxx_init_
245 * function */
colorlabel_recreate_color(gint color)246 static void colorlabel_recreate_color(gint color)
247 {
248 GtkWidget *widget;
249 int i;
250
251 for (i = 0; i < NUM_MENUS; i++) {
252 if (!(label_colors[i][color].changed & LCCF_COLOR))
253 continue;
254
255 widget = colorlabel_create_color_widget(label_colors[i][color].color);
256 cm_return_if_fail(widget);
257
258 if (label_colors[i][color].widget)
259 gtk_widget_destroy(label_colors[i][color].widget);
260
261 label_colors[i][color].widget = widget;
262 label_colors[i][color].changed &= ~LCCF_COLOR;
263 }
264 }
265
colorlabel_recreate_label(gint color)266 static void colorlabel_recreate_label(gint color)
267 {
268 int i;
269
270 for (i = 0; i < NUM_MENUS; i++) {
271 if (!(label_colors[i][color].changed & LCCF_LABEL))
272 continue;
273
274 if (label_colors[i][color].label == NULL)
275 label_colors[i][color].label = g_strdup(gettext(labels[color]));
276
277 label_colors[i][color].changed &= ~LCCF_LABEL;
278 }
279 }
280
281 /* XXX: call this function everytime when you're doing important
282 * stuff with the label_colors[] array */
colorlabel_recreate(gint color)283 static void colorlabel_recreate(gint color)
284 {
285 colorlabel_recreate_label(color);
286 colorlabel_recreate_color(color);
287 }
288
colorlabel_recreate_all(void)289 static void colorlabel_recreate_all(void)
290 {
291 gint n;
292
293 for ( n = 0; n < LABEL_COLORS_ELEMS; n++)
294 colorlabel_recreate(n);
295 }
296
297 /* colorlabel_create_check_color_menu_item() - creates a color
298 * menu item with a check box */
colorlabel_create_check_color_menu_item(gint color_index,gboolean force,gint menu_index)299 GtkWidget *colorlabel_create_check_color_menu_item(gint color_index, gboolean force, gint menu_index)
300 {
301 GtkWidget *label;
302 GtkWidget *hbox;
303 GtkWidget *vbox;
304 GtkWidget *item;
305 gchar *accel;
306
307 G_RETURN_VAL_IF_INVALID_COLOR(color_index, NULL);
308
309 item = gtk_check_menu_item_new();
310
311 if (force) {
312 label_colors[menu_index][color_index].changed |= LCCF_COLOR;
313 label_colors[menu_index][color_index].changed |= LCCF_LABEL;
314 }
315 colorlabel_recreate(color_index);
316
317 /* XXX: gnome-core::panel::menu.c is a great example of
318 * how to create pixmap menus */
319 label = gtk_label_new(label_colors[menu_index][color_index].label);
320
321 gtk_widget_show(label);
322 hbox = gtk_hbox_new(FALSE, 0);
323 gtk_widget_show(hbox);
324 gtk_container_add(GTK_CONTAINER(item), hbox);
325
326 vbox = gtk_vbox_new(TRUE, 0);
327 gtk_widget_show(vbox);
328 gtk_container_set_border_width(GTK_CONTAINER(vbox), 1);
329
330 gtk_container_add(GTK_CONTAINER(vbox),
331 label_colors[menu_index][color_index].widget);
332 gtk_widget_show(label_colors[menu_index][color_index].widget);
333
334 gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
335 gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 4);
336 if (color_index < 9) {
337 accel = gtk_accelerator_get_label(GDK_KEY_1+color_index, GDK_CONTROL_MASK);
338 label = gtk_label_new(accel);
339 gtk_widget_show(label);
340 gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
341 g_free(accel);
342 gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 4);
343 g_object_set_data(G_OBJECT(item), "accel_label", label);
344 } else {
345 label = gtk_label_new("");
346 gtk_widget_show(label);
347 gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
348 gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 4);
349 g_object_set_data(G_OBJECT(item), "accel_label", label);
350 }
351 return item;
352 }
353
354 /* colorlabel_create_color_menu() - creates a color menu without
355 * checkitems, probably for use in combo items */
colorlabel_create_color_menu(void)356 GtkWidget *colorlabel_create_color_menu(void)
357 {
358 GtkWidget *label;
359 GtkWidget *item;
360 GtkWidget *menu;
361 gint i;
362
363 colorlabel_recreate_all();
364
365 /* create the menu items. each item has its color code attached */
366 menu = gtk_menu_new();
367 g_object_set_data(G_OBJECT(menu), "label_color_menu", menu);
368
369 item = gtk_menu_item_new_with_label(_("None"));
370 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
371 g_object_set_data(G_OBJECT(item), "color", GUINT_TO_POINTER(0));
372 gtk_widget_show(item);
373
374 item = gtk_separator_menu_item_new();
375 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
376 gtk_widget_show(item);
377
378 /* and the color items */
379 for (i = 0; i < LABEL_COLORS_ELEMS; i++) {
380 GtkWidget *hbox;
381 GtkWidget *vbox;
382 GtkWidget *widget;
383
384 item = gtk_menu_item_new();
385 g_object_set_data(G_OBJECT(item), "color",
386 GUINT_TO_POINTER(i + 1));
387
388 label = gtk_label_new(label_colors[0][i].label);
389
390 gtk_widget_show(label);
391 hbox = gtk_hbox_new(FALSE, 0);
392 gtk_widget_show(hbox);
393 gtk_container_add(GTK_CONTAINER(item), hbox);
394
395 vbox = gtk_vbox_new(TRUE, 0);
396 gtk_widget_show(vbox);
397 gtk_container_set_border_width(GTK_CONTAINER(vbox), 1);
398
399 widget = colorlabel_create_color_widget(label_colors[0][i].color);
400 gtk_widget_show(widget);
401 gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, FALSE, 0);
402
403 gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
404 gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 4);
405
406 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
407 gtk_widget_show(item);
408 }
409
410 gtk_widget_show(menu);
411
412 return menu;
413 }
414
colorlabel_get_color_menu_active_item(GtkWidget * menu)415 guint colorlabel_get_color_menu_active_item(GtkWidget *menu)
416 {
417 GtkWidget *menuitem;
418 guint color;
419
420 menuitem = gtk_menu_get_active(GTK_MENU(menu));
421 color = GPOINTER_TO_UINT
422 (g_object_get_data(G_OBJECT(menuitem), "color"));
423 return color;
424 }
425