1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
/*
* e-cell-pixbuf.c: An ECell that displays a GdkPixbuf
*
* Copyright (C) 2001 Ximian, Inc.
*
* Authors: Vladimir Vukicevic <vladimir@ximian.com>
*
*/
#include <stdio.h>
#include <glib.h>
#include <libgnomeui/libgnomeui.h>
#include "e-cell-pixbuf.h"
static ECellClass *parent_class;
typedef struct _ECellPixbufView ECellPixbufView;
struct _ECellPixbufView {
ECellView cell_view;
GdkGC *gc;
GnomeCanvas *canvas;
};
/*
* ECellPixbuf functions
*/
ECell *
e_cell_pixbuf_new (void)
{
ECellPixbuf *ecp;
ecp = gtk_type_new (E_CELL_PIXBUF_TYPE);
e_cell_pixbuf_construct (ecp);
return (ECell *) ecp;
}
void
e_cell_pixbuf_construct (ECellPixbuf *ecp)
{
/* noop */
return;
}
/*
* ECell methods
*/
static ECellView *
pixbuf_new_view (ECell *ecell, ETableModel *table_model, void *e_table_item_view)
{
ECellPixbufView *pixbuf_view = g_new0 (ECellPixbufView, 1);
ETableItem *eti = E_TABLE_ITEM (e_table_item_view);
GnomeCanvas *canvas = GNOME_CANVAS_ITEM (eti)->canvas;
pixbuf_view->cell_view.ecell = ecell;
pixbuf_view->cell_view.e_table_model = table_model;
pixbuf_view->cell_view.e_table_item_view = e_table_item_view;
pixbuf_view->canvas = canvas;
return (ECellView *) pixbuf_view;
}
static void
pixbuf_kill_view (ECellView *ecell_view)
{
ECellPixbufView *pixbuf_view = (ECellPixbufView *) ecell_view;
g_free (pixbuf_view);
}
static void
pixbuf_realize (ECellView *ecell_view)
{
ECellPixbufView *pixbuf_view = (ECellPixbufView *) ecell_view;
pixbuf_view->gc = gdk_gc_new (GTK_WIDGET (pixbuf_view->canvas)->window);
}
static void
pixbuf_unrealize (ECellView *ecell_view)
{
ECellPixbufView *pixbuf_view = (ECellPixbufView *) ecell_view;
gdk_gc_unref (pixbuf_view->gc);
}
static void
pixbuf_draw (ECellView *ecell_view, GdkDrawable *drawable,
int model_col, int view_col, int row, ECellFlags flags,
int x1, int y1, int x2, int y2)
{
ECellPixbufView *pixbuf_view = (ECellPixbufView *) ecell_view;
GdkPixbuf *cell_pixbuf;
int real_x, real_y, real_w, real_h;
int pix_w, pix_h;
cell_pixbuf = (GdkPixbuf *) e_table_model_value_at (ecell_view->e_table_model,
model_col, row);
/* we can't make sure we really got a pixbuf since, well, it's a Gdk thing */
if (x2 - x1 == 0)
return;
pix_w = gdk_pixbuf_get_width (cell_pixbuf);
pix_h = gdk_pixbuf_get_height (cell_pixbuf);
/* We center the pixbuf within our allocated space */
if (x2 - x1 > pix_w) {
int diff = (x2 - x1) - pix_w;
real_x = x1 + diff/2;
real_w = pix_w;
} else {
real_x = x1;
real_w = x2 - x1;
}
if (y2 - y1 > pix_h) {
int diff = (y2 - y1) - pix_h;
real_y = y1 + diff/2;
real_h = pix_h;
} else {
real_y = y1;
real_h = y2 - y1;
}
gdk_pixbuf_render_to_drawable (cell_pixbuf,
drawable,
pixbuf_view->gc,
0, 0,
real_x, real_y,
real_w, real_h,
GDK_RGB_DITHER_NORMAL,
0, 0);
}
static gint
pixbuf_event (ECellView *ecell_view, GdkEvent *event,
int model_col, int view_col, int row,
ECellFlags flags, ECellActions *actions)
{
/* noop */
return FALSE;
}
static gint
pixbuf_height (ECellView *ecell_view, int model_col, int view_col, int row)
{
GdkPixbuf *pixbuf;
pixbuf = (GdkPixbuf *) e_table_model_value_at (ecell_view->e_table_model, model_col, row);
if (!pixbuf) {
/* ??? */
g_warning ("e-cell-pixbuf: height with NULL pixbuf at %d %d %d\n", model_col, view_col, row);
return 0;
}
/* We give ourselves 3 pixels of padding on either side */
return gdk_pixbuf_get_height (pixbuf) + 6;
}
static gint
pixbuf_max_width (ECellView *ecell_view, int model_col, int view_col)
{
gint num_rows, i;
gint max_width = -1;
if (model_col == 0) {
num_rows = e_table_model_row_count (ecell_view->e_table_model);
for (i = 0; i <= num_rows; i++) {
GdkPixbuf *pixbuf = (GdkPixbuf *) e_table_model_value_at
(ecell_view->e_table_model,
model_col,
i);
int pw = gdk_pixbuf_get_width (pixbuf);
if (max_width < pw)
max_width = pw;
}
} else {
return -1;
}
return max_width;
}
static void
pixbuf_destroy (GtkObject *object)
{
/* ... */
}
static void
e_cell_pixbuf_init (GtkObject *object)
{
/* ... */
}
static void
e_cell_pixbuf_class_init (GtkObjectClass *object_class)
{
ECellClass *ecc = (ECellClass *) object_class;
object_class->destroy = pixbuf_destroy;
ecc->new_view = pixbuf_new_view;
ecc->kill_view = pixbuf_kill_view;
ecc->realize = pixbuf_realize;
ecc->unrealize = pixbuf_unrealize;
ecc->draw = pixbuf_draw;
ecc->event = pixbuf_event;
ecc->height = pixbuf_height;
ecc->max_width = pixbuf_max_width;
parent_class = gtk_type_class (E_CELL_TYPE);
}
guint
e_cell_pixbuf_get_type (void)
{
static guint type = 0;
if (!type) {
GtkTypeInfo type_info = {
"ECellPixbuf",
sizeof (ECellPixbuf),
sizeof (ECellPixbufClass),
(GtkClassInitFunc) e_cell_pixbuf_class_init,
(GtkObjectInitFunc) e_cell_pixbuf_init,
(GtkArgSetFunc) NULL,
(GtkArgGetFunc) NULL,
};
type = gtk_type_unique (e_cell_get_type (), &type_info);
}
return type;
}
|
