2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 2001-2006 Hiroyuki Yamamoto & The Sylpheed Claws Team
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 2 of the License, or
8 * (at your option) any later version.
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.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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.
28 #include <glib/gi18n.h>
30 #include <gtk/gtkwidget.h>
31 #include <gtk/gtkimage.h>
32 #include <gtk/gtkmenu.h>
33 #include <gtk/gtkcheckmenuitem.h>
34 #include <gtk/gtklabel.h>
35 #include <gtk/gtkmenuitem.h>
36 #include <gtk/gtkalignment.h>
37 #include <gtk/gtkhbox.h>
38 #include <gtk/gtkvbox.h>
39 #include <gtk/gtkwindow.h>
40 #include <gtk/gtkdrawingarea.h>
42 #include "colorlabel.h"
46 static gchar *labels[] = {
56 typedef enum LabelColorChangeFlags_ {
59 LCCF_ALL = LCCF_COLOR | LCCF_LABEL
60 } LabelColorChangeFlags;
62 /* XXX: if you add colors, make sure you also check the procmsg.h.
63 * color indices are stored as 3 bits; that explains the max. of 7 colors */
66 LabelColorChangeFlags changed;
69 /* XXX: note that the label member is supposed to be dynamically
70 * allocated and fffreed */
74 { LCCF_ALL, { 0, 0xffff, (0x99 << 8), 0x0 }, NULL, NULL },
75 { LCCF_ALL, { 0, 0xffff, 0, 0 }, NULL, NULL },
76 { LCCF_ALL, { 0, 0xffff, (0x66 << 8), 0xffff }, NULL, NULL },
77 { LCCF_ALL, { 0, 0x0, (0xcc << 8), 0xffff }, NULL, NULL },
78 { LCCF_ALL, { 0, 0x0, 0x0, 0xffff }, NULL, NULL },
79 { LCCF_ALL, { 0, 0x0, 0x99 << 8, 0x0 }, NULL, NULL },
80 { LCCF_ALL, { 0, 0x66 << 8, 0x33 << 8, 0x33 << 8 }, NULL, NULL }
83 #define LABEL_COLOR_WIDTH 28
84 #define LABEL_COLOR_HEIGHT 16
86 #define LABEL_COLORS_ELEMS (sizeof label_colors / sizeof label_colors[0])
88 #define G_RETURN_VAL_IF_INVALID_COLOR(color, val) \
89 g_return_val_if_fail((color) >= 0 && (color) < LABEL_COLORS_ELEMS, (val))
91 static void colorlabel_recreate (gint);
92 static void colorlabel_recreate_label (gint);
94 gint colorlabel_get_color_count(void)
96 return LABEL_COLORS_ELEMS;
99 GdkColor colorlabel_get_color(gint color_index)
101 GdkColor invalid = { 0 };
103 G_RETURN_VAL_IF_INVALID_COLOR(color_index, invalid);
105 return label_colors[color_index].color;
108 gchar *colorlabel_get_color_text(gint color_index)
110 G_RETURN_VAL_IF_INVALID_COLOR(color_index, NULL);
112 colorlabel_recreate_label(color_index);
113 return label_colors[color_index].label;
116 static gboolean colorlabel_drawing_area_expose_event_cb
117 (GtkWidget *widget, GdkEventExpose *expose, gpointer data)
119 GdkDrawable *drawable = widget->window;
120 gulong c = (gulong) GPOINTER_TO_INT(data);
124 color.red = ((c >> 16UL) & 0xFFUL) << 8UL;
125 color.green = ((c >> 8UL) & 0xFFUL) << 8UL;
126 color.blue = ((c) & 0xFFUL) << 8UL;
128 gdk_colormap_alloc_color(gtk_widget_get_colormap(widget), &color, FALSE, TRUE);
130 gc = gdk_gc_new(drawable);
132 gdk_gc_set_foreground(gc, &color);
133 gdk_draw_rectangle(drawable, widget->style->black_gc,
134 FALSE, 0, 0, widget->allocation.width - 1,
135 widget->allocation.height - 1);
136 gdk_draw_rectangle(drawable, gc,
137 TRUE, 1, 1, widget->allocation.width - 2,
138 widget->allocation.height - 2);
145 static GtkWidget *colorlabel_create_color_widget(GdkColor color)
149 widget = gtk_drawing_area_new();
150 gtk_widget_set_size_request(widget, LABEL_COLOR_WIDTH - 2,
151 LABEL_COLOR_HEIGHT - 4);
153 #define CL(x) (((gulong) (x) >> (gulong) 8) & 0xFFUL)
154 #define CR(r, g, b) ((CL(r) << (gulong) 16) | \
155 (CL(g) << (gulong) 8) | \
158 g_signal_connect(G_OBJECT(widget), "expose_event",
160 (colorlabel_drawing_area_expose_event_cb),
162 ((gint)CR(color.red, color.green, color.blue)));
167 /* XXX: this function to check if menus with colors and labels should
169 gboolean colorlabel_changed(void)
173 for (n = 0; n < LABEL_COLORS_ELEMS; n++) {
174 if (label_colors[n].changed)
181 /* XXX: colorlabel_recreate_XXX are there to make sure everything
182 * is initialized ok, without having to call a global _xxx_init_
184 static void colorlabel_recreate_color(gint color)
188 if (!(label_colors[color].changed & LCCF_COLOR))
191 widget = colorlabel_create_color_widget(label_colors[color].color);
192 g_return_if_fail(widget);
194 if (label_colors[color].widget)
195 gtk_widget_destroy(label_colors[color].widget);
197 label_colors[color].widget = widget;
198 label_colors[color].changed &= ~LCCF_COLOR;
201 static void colorlabel_recreate_label(gint color)
203 if (!label_colors[color].changed & LCCF_LABEL)
206 if (label_colors[color].label == NULL)
207 label_colors[color].label = g_strdup(gettext(labels[color]));
209 label_colors[color].changed &= ~LCCF_LABEL;
212 /* XXX: call this function everytime when you're doing important
213 * stuff with the label_colors[] array */
214 static void colorlabel_recreate(gint color)
216 colorlabel_recreate_label(color);
217 colorlabel_recreate_color(color);
220 static void colorlabel_recreate_all(void)
224 for ( n = 0; n < LABEL_COLORS_ELEMS; n++)
225 colorlabel_recreate(n);
228 /* colorlabel_create_check_color_menu_item() - creates a color
229 * menu item with a check box */
230 GtkWidget *colorlabel_create_check_color_menu_item(gint color_index)
237 G_RETURN_VAL_IF_INVALID_COLOR(color_index, NULL);
239 item = gtk_check_menu_item_new();
241 colorlabel_recreate(color_index);
243 /* XXX: gnome-core::panel::menu.c is a great example of
244 * how to create pixmap menus */
245 label = gtk_label_new(label_colors[color_index].label);
247 gtk_widget_show(label);
248 hbox = gtk_hbox_new(FALSE, 0);
249 gtk_widget_show(hbox);
250 gtk_container_add(GTK_CONTAINER(item), hbox);
252 vbox = gtk_vbox_new(TRUE, 0);
253 gtk_widget_show(vbox);
254 gtk_container_set_border_width(GTK_CONTAINER(vbox), 1);
256 gtk_container_add(GTK_CONTAINER(vbox),
257 label_colors[color_index].widget);
258 gtk_widget_show(label_colors[color_index].widget);
260 gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
261 gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 4);
266 /* Work around a gtk bug (?): without that, the selected menu item's
267 * colored rectangle is drawn at 0,0 in the window...
269 static void refresh_menu (GtkWidget *menushell, gpointer data)
271 GtkMenu *menu = (GtkMenu *)data;
272 GtkWidget *widget = gtk_menu_get_attach_widget(menu);
273 gtk_widget_hide_all(widget);
274 gtk_widget_unrealize(widget);
275 gtk_widget_show_all(widget);
276 gtk_widget_queue_draw(widget);
279 /* colorlabel_create_color_menu() - creates a color menu without
280 * checkitems, probably for use in combo items */
281 GtkWidget *colorlabel_create_color_menu(void)
288 colorlabel_recreate_all();
290 /* create the menu items. each item has its color code attached */
291 menu = gtk_menu_new();
292 g_object_set_data(G_OBJECT(menu), "label_color_menu", menu);
294 item = gtk_menu_item_new_with_label(_("None"));
295 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
296 g_object_set_data(G_OBJECT(item), "color", GUINT_TO_POINTER(0));
297 gtk_widget_show(item);
299 /* and the color items */
300 for (i = 0; i < LABEL_COLORS_ELEMS; i++) {
305 item = gtk_menu_item_new();
306 g_object_set_data(G_OBJECT(item), "color",
307 GUINT_TO_POINTER(i + 1));
309 label = gtk_label_new(label_colors[i].label);
311 gtk_widget_show(label);
312 hbox = gtk_hbox_new(FALSE, 0);
313 gtk_widget_show(hbox);
314 gtk_container_add(GTK_CONTAINER(item), hbox);
316 vbox = gtk_vbox_new(TRUE, 0);
317 gtk_widget_show(vbox);
318 gtk_container_set_border_width(GTK_CONTAINER(vbox), 1);
320 widget = colorlabel_create_color_widget(label_colors[i].color);
321 gtk_widget_show(widget);
322 gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, FALSE, 0);
324 gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
325 gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 4);
327 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
328 gtk_widget_show(item);
331 g_signal_connect(G_OBJECT(menu), "selection-done",
332 G_CALLBACK(refresh_menu), menu);
333 gtk_widget_show(menu);
338 guint colorlabel_get_color_menu_active_item(GtkWidget *menu)
343 menuitem = gtk_menu_get_active(GTK_MENU(menu));
344 color = GPOINTER_TO_UINT
345 (g_object_get_data(G_OBJECT(menuitem), "color"));