2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 2001 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.
29 #include <gtk/gtkwidget.h>
30 #include <gtk/gtkpixmap.h>
31 #include <gtk/gtkmenu.h>
32 #include <gtk/gtkcheckmenuitem.h>
33 #include <gtk/gtklabel.h>
34 #include <gtk/gtkmenuitem.h>
35 #include <gtk/gtkalignment.h>
36 #include <gtk/gtkhbox.h>
37 #include <gtk/gtkwindow.h>
38 #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_COLORS_ELEMS (sizeof label_colors / sizeof label_colors[0])
83 #define G_RETURN_VAL_IF_INVALID_COLOR(color, val) \
84 g_return_val_if_fail((color) >= 0 && (color) < LABEL_COLORS_ELEMS, (val))
86 static void colorlabel_recreate (gint);
87 static void colorlabel_recreate_label (gint);
89 gint colorlabel_get_color_count(void)
91 return LABEL_COLORS_ELEMS;
94 GdkColor colorlabel_get_color(gint color_index)
96 GdkColor invalid = { 0 };
98 G_RETURN_VAL_IF_INVALID_COLOR(color_index, invalid);
100 return label_colors[color_index].color;
103 gchar *colorlabel_get_color_text(gint color_index)
105 G_RETURN_VAL_IF_INVALID_COLOR(color_index, NULL);
107 colorlabel_recreate_label(color_index);
108 return label_colors[color_index].label;
111 static gboolean colorlabel_drawing_area_expose_event_cb
112 (GtkWidget *widget, GdkEventExpose *expose, gpointer data)
114 GdkDrawable *drawable = widget->window;
115 gulong c = (gulong) GPOINTER_TO_INT(data);
119 color.red = ((c >> 16UL) & 0xFFUL) << 8UL;
120 color.green = ((c >> 8UL) & 0xFFUL) << 8UL;
121 color.blue = ((c) & 0xFFUL) << 8UL;
123 gdk_colormap_alloc_color(gtk_widget_get_colormap(widget), &color, FALSE, TRUE);
125 gc = gdk_gc_new(drawable);
127 gdk_gc_set_foreground(gc, &color);
128 gdk_draw_rectangle(drawable, gc,
129 TRUE, 0, 0, widget->allocation.width,
130 widget->allocation.height);
131 gdk_draw_rectangle(drawable, widget->style->black_gc,
132 FALSE, 0, 0, widget->allocation.width,
133 widget->allocation.height);
140 static GtkWidget *colorlabel_create_color_widget(GdkColor color)
144 widget = gtk_drawing_area_new();
145 gtk_drawing_area_size(GTK_DRAWING_AREA(widget), 16, 16);
147 #define CL(x) (((gulong) (x) >> (gulong) 8) & 0xFFUL)
148 #define CR(r, g, b) ((CL(r) << (gulong) 16) | \
149 (CL(g) << (gulong) 8) | \
152 gtk_signal_connect(GTK_OBJECT(widget), "expose_event",
153 colorlabel_drawing_area_expose_event_cb,
154 GINT_TO_POINTER( (gint) CR(color.red, color.green, color.blue )));
159 /* XXX: this function to check if menus with colors and labels should
161 gboolean colorlabel_changed(void)
165 for (n = 0; n < LABEL_COLORS_ELEMS; n++) {
166 if (label_colors[n].changed)
173 /* XXX: colorlabel_recreate_XXX are there to make sure everything
174 * is initialized ok, without having to call a global _xxx_init_
176 static void colorlabel_recreate_color(gint color)
180 if (!(label_colors[color].changed & LCCF_COLOR))
183 widget = colorlabel_create_color_widget(label_colors[color].color);
184 g_return_if_fail(widget);
186 if (label_colors[color].widget)
187 gtk_widget_destroy(label_colors[color].widget);
189 label_colors[color].widget = widget;
190 label_colors[color].changed &= ~LCCF_COLOR;
193 static void colorlabel_recreate_label(gint color)
195 if (!label_colors[color].changed & LCCF_LABEL)
198 if (label_colors[color].label == NULL)
199 label_colors[color].label = g_strdup(gettext(labels[color]));
201 label_colors[color].changed &= ~LCCF_LABEL;
204 /* XXX: call this function everytime when you're doing important
205 * stuff with the label_colors[] array */
206 static void colorlabel_recreate(gint color)
208 colorlabel_recreate_label(color);
209 colorlabel_recreate_color(color);
212 static void colorlabel_recreate_all(void)
216 for ( n = 0; n < LABEL_COLORS_ELEMS; n++)
217 colorlabel_recreate(n);
220 /* colorlabel_create_check_color_menu_item() - creates a color
221 * menu item with a check box */
222 GtkWidget *colorlabel_create_check_color_menu_item(gint color_index)
229 G_RETURN_VAL_IF_INVALID_COLOR(color_index, NULL);
231 item = gtk_check_menu_item_new();
233 colorlabel_recreate(color_index);
235 /* XXX: gnome-core::panel::menu.c is a great example of
236 * how to create pixmap menus */
237 label = gtk_label_new(label_colors[color_index].label);
239 gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
240 gtk_widget_show(label);
241 hbox = gtk_hbox_new(FALSE, 0);
242 gtk_widget_show(hbox);
243 gtk_container_add(GTK_CONTAINER(item), hbox);
245 align = gtk_alignment_new(0.5, 0.5, 0.0, 0.0);
246 gtk_widget_show(align);
247 gtk_container_set_border_width(GTK_CONTAINER(align), 1);
249 gtk_container_add(GTK_CONTAINER(align), label_colors[color_index].widget);
250 gtk_widget_show(label_colors[color_index].widget);
251 gtk_widget_set_usize(align, 16, 16);
253 gtk_box_pack_start(GTK_BOX(hbox), align, FALSE, FALSE, 0);
254 gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 4);
259 /* colorlabel_create_color_menu() - creates a color menu without
260 * checkitems, probably for use in combo items */
261 GtkWidget *colorlabel_create_color_menu(void)
270 colorlabel_recreate_all();
272 /* create the menu items. each item has its color code attached */
273 menu = gtk_menu_new();
274 gtk_object_set_data(GTK_OBJECT(menu), "label_color_menu", menu);
276 item = gtk_menu_item_new_with_label(_("None"));
277 gtk_menu_append(GTK_MENU(menu), item);
278 gtk_object_set_data(GTK_OBJECT(item), "color", GUINT_TO_POINTER(0));
279 gtk_widget_show(item);
281 /* and the color items */
282 for (i = 0; i < LABEL_COLORS_ELEMS; i++) {
283 GtkWidget *widget = colorlabel_create_color_widget(label_colors[i].color);
285 item = gtk_menu_item_new();
286 gtk_object_set_data(GTK_OBJECT(item), "color", GUINT_TO_POINTER(i + 1));
288 label = gtk_label_new(label_colors[i].label);
290 gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
291 gtk_widget_show(label);
292 hbox = gtk_hbox_new(FALSE, 0);
293 gtk_widget_show(hbox);
294 gtk_container_add(GTK_CONTAINER(item), hbox);
296 align = gtk_alignment_new(0.5, 0.5, 0.0, 0.0);
297 gtk_widget_show(align);
298 gtk_container_set_border_width(GTK_CONTAINER(align), 1);
300 gtk_container_add(GTK_CONTAINER(align), widget);
301 gtk_widget_show(widget);
302 gtk_widget_set_usize(align, 16, 16);
304 gtk_box_pack_start(GTK_BOX(hbox), align, FALSE, FALSE, 0);
305 gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 4);
307 gtk_menu_append(GTK_MENU(menu), item);
308 gtk_widget_show(item);
311 gtk_widget_show(menu);
316 guint colorlabel_get_color_menu_active_item(GtkWidget *menu)
322 (gtk_object_get_data(GTK_OBJECT(menu), "label_color_menu"), 0);
323 menuitem = gtk_menu_get_active(GTK_MENU(menu));
324 color = GPOINTER_TO_UINT
325 (gtk_object_get_data(GTK_OBJECT(menuitem), "color"));