2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 2001-2004 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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/gtkwindow.h>
39 #include <gtk/gtkdrawingarea.h>
41 #include "colorlabel.h"
44 static gchar *labels[] = {
54 typedef enum LabelColorChangeFlags_ {
57 LCCF_ALL = LCCF_COLOR | LCCF_LABEL
58 } LabelColorChangeFlags;
60 /* XXX: if you add colors, make sure you also check the procmsg.h.
61 * color indices are stored as 3 bits; that explains the max. of 7 colors */
64 LabelColorChangeFlags changed;
67 /* XXX: note that the label member is supposed to be dynamically
68 * allocated and fffreed */
72 { LCCF_ALL, { 0, 0xffff, (0x99 << 8), 0x0 }, NULL, NULL },
73 { LCCF_ALL, { 0, 0xffff, 0, 0 }, NULL, NULL },
74 { LCCF_ALL, { 0, 0xffff, (0x66 << 8), 0xffff }, NULL, NULL },
75 { LCCF_ALL, { 0, 0x0, (0xcc << 8), 0xffff }, NULL, NULL },
76 { LCCF_ALL, { 0, 0x0, 0x0, 0xffff }, NULL, NULL },
77 { LCCF_ALL, { 0, 0x0, 0x99 << 8, 0x0 }, NULL, NULL },
78 { LCCF_ALL, { 0, 0x66 << 8, 0x33 << 8, 0x33 << 8 }, NULL, NULL }
81 #define LABEL_COLOR_WIDTH 28
82 #define LABEL_COLOR_HEIGHT 16
84 #define LABEL_COLORS_ELEMS (sizeof label_colors / sizeof label_colors[0])
86 #define G_RETURN_VAL_IF_INVALID_COLOR(color, val) \
87 g_return_val_if_fail((color) >= 0 && (color) < LABEL_COLORS_ELEMS, (val))
89 static void colorlabel_recreate (gint);
90 static void colorlabel_recreate_label (gint);
92 gint colorlabel_get_color_count(void)
94 return LABEL_COLORS_ELEMS;
97 GdkColor colorlabel_get_color(gint color_index)
99 GdkColor invalid = { 0 };
101 G_RETURN_VAL_IF_INVALID_COLOR(color_index, invalid);
103 return label_colors[color_index].color;
106 gchar *colorlabel_get_color_text(gint color_index)
108 G_RETURN_VAL_IF_INVALID_COLOR(color_index, NULL);
110 colorlabel_recreate_label(color_index);
111 return label_colors[color_index].label;
114 static gboolean colorlabel_drawing_area_expose_event_cb
115 (GtkWidget *widget, GdkEventExpose *expose, gpointer data)
117 GdkDrawable *drawable = widget->window;
118 gulong c = (gulong) GPOINTER_TO_INT(data);
122 color.red = ((c >> 16UL) & 0xFFUL) << 8UL;
123 color.green = ((c >> 8UL) & 0xFFUL) << 8UL;
124 color.blue = ((c) & 0xFFUL) << 8UL;
126 gdk_colormap_alloc_color(gtk_widget_get_colormap(widget), &color, FALSE, TRUE);
128 gc = gdk_gc_new(drawable);
130 gdk_gc_set_foreground(gc, &color);
131 gdk_draw_rectangle(drawable, gc,
132 TRUE, 0, 0, widget->allocation.width - 1,
133 widget->allocation.height - 1);
134 gdk_draw_rectangle(drawable, widget->style->black_gc,
135 FALSE, 0, 0, widget->allocation.width - 1,
136 widget->allocation.height - 1);
143 static GtkWidget *colorlabel_create_color_widget(GdkColor color)
147 widget = gtk_drawing_area_new();
148 gtk_widget_set_size_request(widget, LABEL_COLOR_WIDTH - 2,
149 LABEL_COLOR_HEIGHT - 4);
151 #define CL(x) (((gulong) (x) >> (gulong) 8) & 0xFFUL)
152 #define CR(r, g, b) ((CL(r) << (gulong) 16) | \
153 (CL(g) << (gulong) 8) | \
156 g_signal_connect(G_OBJECT(widget), "expose_event",
158 (colorlabel_drawing_area_expose_event_cb),
160 ((gint)CR(color.red, color.green, color.blue)));
165 /* XXX: this function to check if menus with colors and labels should
167 gboolean colorlabel_changed(void)
171 for (n = 0; n < LABEL_COLORS_ELEMS; n++) {
172 if (label_colors[n].changed)
179 /* XXX: colorlabel_recreate_XXX are there to make sure everything
180 * is initialized ok, without having to call a global _xxx_init_
182 static void colorlabel_recreate_color(gint color)
186 if (!(label_colors[color].changed & LCCF_COLOR))
189 widget = colorlabel_create_color_widget(label_colors[color].color);
190 g_return_if_fail(widget);
192 if (label_colors[color].widget)
193 gtk_widget_destroy(label_colors[color].widget);
195 label_colors[color].widget = widget;
196 label_colors[color].changed &= ~LCCF_COLOR;
199 static void colorlabel_recreate_label(gint color)
201 if (!label_colors[color].changed & LCCF_LABEL)
204 if (label_colors[color].label == NULL)
205 label_colors[color].label = g_strdup(gettext(labels[color]));
207 label_colors[color].changed &= ~LCCF_LABEL;
210 /* XXX: call this function everytime when you're doing important
211 * stuff with the label_colors[] array */
212 static void colorlabel_recreate(gint color)
214 colorlabel_recreate_label(color);
215 colorlabel_recreate_color(color);
218 static void colorlabel_recreate_all(void)
222 for ( n = 0; n < LABEL_COLORS_ELEMS; n++)
223 colorlabel_recreate(n);
226 /* colorlabel_create_check_color_menu_item() - creates a color
227 * menu item with a check box */
228 GtkWidget *colorlabel_create_check_color_menu_item(gint color_index)
235 G_RETURN_VAL_IF_INVALID_COLOR(color_index, NULL);
237 item = gtk_check_menu_item_new();
239 colorlabel_recreate(color_index);
241 /* XXX: gnome-core::panel::menu.c is a great example of
242 * how to create pixmap menus */
243 label = gtk_label_new(label_colors[color_index].label);
245 gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
246 gtk_widget_show(label);
247 hbox = gtk_hbox_new(FALSE, 0);
248 gtk_widget_show(hbox);
249 gtk_container_add(GTK_CONTAINER(item), hbox);
251 align = gtk_alignment_new(0.5, 0.5, 0.0, 0.0);
252 gtk_widget_show(align);
253 gtk_container_set_border_width(GTK_CONTAINER(align), 1);
255 gtk_container_add(GTK_CONTAINER(align), label_colors[color_index].widget);
256 gtk_widget_show(label_colors[color_index].widget);
257 gtk_widget_set_size_request(align, LABEL_COLOR_WIDTH,
260 gtk_box_pack_start(GTK_BOX(hbox), align, FALSE, FALSE, 0);
261 gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 4);
266 /* colorlabel_create_color_menu() - creates a color menu without
267 * checkitems, probably for use in combo items */
268 GtkWidget *colorlabel_create_color_menu(void)
277 colorlabel_recreate_all();
279 /* create the menu items. each item has its color code attached */
280 menu = gtk_menu_new();
281 g_object_set_data(G_OBJECT(menu), "label_color_menu", menu);
283 item = gtk_menu_item_new_with_label(_("None"));
284 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
285 g_object_set_data(G_OBJECT(item), "color", GUINT_TO_POINTER(0));
286 gtk_widget_show(item);
288 /* and the color items */
289 for (i = 0; i < LABEL_COLORS_ELEMS; i++) {
290 GtkWidget *widget = colorlabel_create_color_widget(label_colors[i].color);
292 item = gtk_menu_item_new();
293 g_object_set_data(G_OBJECT(item), "color", GUINT_TO_POINTER(i + 1));
295 label = gtk_label_new(label_colors[i].label);
297 gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
298 gtk_widget_show(label);
299 hbox = gtk_hbox_new(FALSE, 0);
300 gtk_widget_show(hbox);
301 gtk_container_add(GTK_CONTAINER(item), hbox);
303 align = gtk_alignment_new(0.5, 0.5, 0.0, 0.0);
304 gtk_widget_show(align);
305 gtk_container_set_border_width(GTK_CONTAINER(align), 1);
307 gtk_container_add(GTK_CONTAINER(align), widget);
308 gtk_widget_show(widget);
309 gtk_widget_set_size_request(align, LABEL_COLOR_WIDTH,
312 gtk_box_pack_start(GTK_BOX(hbox), align, FALSE, FALSE, 0);
313 gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 4);
315 gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
316 gtk_widget_show(item);
319 gtk_widget_show(menu);
324 guint colorlabel_get_color_menu_active_item(GtkWidget *menu)
329 menuitem = gtk_menu_get_active(GTK_MENU(menu));
330 color = GPOINTER_TO_UINT
331 (g_object_get_data(G_OBJECT(menuitem), "color"));