GnuCash c935c2f+
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gnc-cell-renderer-text-flag.c
1
8/* GnuCash is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU Library General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * Gnucash is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, contact:
20 *
21 * Free Software Foundation Voice: +1-617-542-5942
22 * 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652
23 * Boston, MA 02110-1301, USA gnu@gnu.org
24 */
25
26#include <config.h>
27#include <gtk/gtk.h>
28
29#include "gnc-cell-renderer-text-flag.h"
30
40static void gnc_cell_renderer_text_flag_get_property(GObject *object,
41 guint param_id,
42 GValue *value,
43 GParamSpec *pspec);
44static void gnc_cell_renderer_text_flag_set_property(GObject *object,
45 guint param_id,
46 const GValue *value,
47 GParamSpec *pspec);
48
49static void gnc_cell_renderer_text_flag_render(
50 GtkCellRenderer *cell, cairo_t *cr, GtkWidget *widget,
51 const GdkRectangle *background_area, const GdkRectangle *cell_area,
52 GtkCellRendererState flags);
53
54enum
55{
56 PROP_0,
57
58 PROP_FLAG_SIZE,
59 PROP_FLAG_COLOR,
60 PROP_FLAG_COLOR_RGBA,
61 PROP_FLAGGED,
62 PROP_FLAG_COLOR_SELECTED,
63 PROP_FLAG_COLOR_RGBA_SELECTED,
64
65 LAST_PROP
66};
67
68struct _GncCellRendererTextFlag
69{
70 GtkCellRendererText parent;
71
72 gint size;
73 GdkRGBA color;
74 GdkRGBA color_selected;
75 gboolean flagged;
76};
77
78G_DEFINE_TYPE(GncCellRendererTextFlag,
79 gnc_cell_renderer_text_flag,
80 GTK_TYPE_CELL_RENDERER_TEXT)
81
82static void
83gnc_cell_renderer_text_flag_init(GncCellRendererTextFlag *celltext)
84{
85 celltext->size = 8;
86 gdk_rgba_parse(&celltext->color, "red");
87 celltext->flagged = FALSE;
88}
89
90static void
91gnc_cell_renderer_text_flag_class_init(GncCellRendererTextFlagClass *class)
92{
93 GObjectClass *object_class = G_OBJECT_CLASS(class);
94 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS(class);
95
96 object_class->get_property = gnc_cell_renderer_text_flag_get_property;
97 object_class->set_property = gnc_cell_renderer_text_flag_set_property;
98
99 cell_class->render = gnc_cell_renderer_text_flag_render;
100
101 g_object_class_install_property(
102 object_class, PROP_FLAG_SIZE,
103 g_param_spec_int("flag-size", "Flag size", "Flag size", 0, 50,
104 8, G_PARAM_READWRITE));
105
106 g_object_class_install_property(
107 object_class, PROP_FLAG_COLOR,
108 g_param_spec_string("flag-color", "Flag color name",
109 "Flag color as a string", "red",
110 G_PARAM_WRITABLE));
111
112 g_object_class_install_property(
113 object_class, PROP_FLAG_COLOR_RGBA,
114 g_param_spec_boxed("flag-color-rgba", "Flag color as RGBA",
115 "Flag color as a GdkRGBA", GDK_TYPE_RGBA,
116 G_PARAM_READWRITE));
117
118 g_object_class_install_property(
119 object_class, PROP_FLAG_COLOR_SELECTED,
120 g_param_spec_string("flag-color-selected", "Flag color name for selected rows",
121 "Flag color as a string, to use in selected rows", "white",
122 G_PARAM_WRITABLE));
123
124 g_object_class_install_property(
125 object_class, PROP_FLAG_COLOR_RGBA_SELECTED,
126 g_param_spec_boxed("flag-color-rgba-selected", "Flag color as RGBA for selected rows",
127 "Flag color as a GdkRGBA, to use in selected rows", GDK_TYPE_RGBA,
128 G_PARAM_READWRITE));
129
130 g_object_class_install_property(
131 object_class, PROP_FLAGGED,
132 g_param_spec_boolean("flagged", "Flag set",
133 "Flag indicator is set", FALSE,
134 G_PARAM_READWRITE));
135}
136
137static void
138gnc_cell_renderer_text_flag_get_property(GObject *object, guint param_id,
139 GValue *value, GParamSpec *pspec)
140{
141 GncCellRendererTextFlag *celltext = GNC_CELL_RENDERER_TEXT_FLAG(object);
142
143 switch (param_id)
144 {
145 case PROP_FLAGGED:
146 g_value_set_boolean(value, celltext->flagged);
147 break;
148
149 case PROP_FLAG_SIZE:
150 g_value_set_int(value, celltext->size);
151 break;
152
153 case PROP_FLAG_COLOR_RGBA:
154 g_value_set_boxed (value, &celltext->color);
155 break;
156
157 case PROP_FLAG_COLOR_RGBA_SELECTED:
158 g_value_set_boxed (value, &celltext->color_selected);
159 break;
160
161 default:
162 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
163 break;
164 }
165}
166
167static void
168gnc_cell_renderer_text_flag_set_property(GObject *object, guint param_id,
169 const GValue *value,
170 GParamSpec *pspec)
171{
172 GncCellRendererTextFlag *celltext = GNC_CELL_RENDERER_TEXT_FLAG(object);
173 switch (param_id)
174 {
175 case PROP_FLAG_COLOR:
176 case PROP_FLAG_COLOR_SELECTED:
177 {
178 GdkRGBA rgba;
179
180 if (!g_value_get_string(value))
181 break;
182 else if (gdk_rgba_parse(&rgba, g_value_get_string(value)))
183 {
184 if (param_id == PROP_FLAG_COLOR_SELECTED)
185 celltext->color = rgba;
186 else
187 celltext->color_selected = rgba;
188 }
189 else
190 g_warning("Don't know color '%s'", g_value_get_string(value));
191 }
192 break;
193
194 case PROP_FLAG_COLOR_RGBA:
195 {
196 GdkRGBA *rgba;
197
198 rgba = g_value_get_boxed(value);
199 if (rgba)
200 celltext->color = *rgba;
201 }
202 break;
203
204 case PROP_FLAG_COLOR_RGBA_SELECTED:
205 {
206 GdkRGBA *rgba;
207
208 rgba = g_value_get_boxed(value);
209 if (rgba)
210 celltext->color_selected = *rgba;
211 }
212 break;
213
214 case PROP_FLAGGED:
215 celltext->flagged = g_value_get_boolean(value);
216 break;
217
218 case PROP_FLAG_SIZE:
219 celltext->size = g_value_get_int(value);
220 break;
221
222 default:
223 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
224 break;
225 }
226}
227
237GtkCellRenderer *
238gnc_cell_renderer_text_flag_new(void)
239{
240 return g_object_new(GNC_TYPE_CELL_RENDERER_TEXT_FLAG, NULL);
241}
242
243static void
244gnc_cell_renderer_text_flag_render(GtkCellRenderer *cell, cairo_t *cr,
245 GtkWidget *widget,
246 const GdkRectangle *background_area,
247 const GdkRectangle *cell_area,
248 GtkCellRendererState flags)
249
250{
251 GncCellRendererTextFlag *celltext = GNC_CELL_RENDERER_TEXT_FLAG(cell);
252
253 // call the parent renderer to do the standard drawing
254 GTK_CELL_RENDERER_CLASS(gnc_cell_renderer_text_flag_parent_class)
255 ->render(cell, cr, widget, background_area, cell_area, flags);
256
257 // add the flag (triangle in the top right corner)
258 if (celltext->flagged)
259 {
260 guint size = MIN(MIN(background_area->height, celltext->size),
261 background_area->width);
262 double x = background_area->x + background_area->width - size;
263 double y = background_area->y;
264
265 cairo_move_to(cr, x, y);
266 cairo_rel_line_to(cr, size, 0);
267 cairo_rel_line_to(cr, 0, size);
268 cairo_close_path(cr);
269 gdk_cairo_set_source_rgba(cr, (flags & GTK_CELL_RENDERER_SELECTED)
270 ? &celltext->color_selected
271 : &celltext->color);
272 cairo_fill(cr);
273 }
274}
_GncCellRendererTextFlag
Definition gnc-cell-renderer-text-flag.c:69
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