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
|
/* Dia -- an diagram creation/manipulation program
* Copyright (C) 1998 Alexander Larsson
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include "textedit_tool.h"
#include "diagram.h"
#include "textedit.h"
#include "cursor.h"
#include "object_ops.h"
/**
* click_select_object:
* @ddisp: the #DDisplay
* @clickedpoint: the #Point clicked
* @event: the #GdkEventButton
*
* The text edit tool. This tool allows the user to switch to a mode where
* clicking on an editable text will start text edit mode. Clicking outside
* of editable text will revert to selection tool. Note that clicking this
* tool doesn't enter text edit mode immediately, just allows it to be entered
* by clicking an object.
*
* Since: dawn-of-time
*/
static DiaObject *
click_select_object (DDisplay *ddisp,
Point *clickedpoint,
GdkEventButton *event)
{
double click_distance = ddisplay_untransform_length (ddisp, 3.0);
Diagram *diagram = ddisp->diagram;
DiaObject *obj;
ddisplay_untransform_coords(ddisp,
(int)event->x, (int)event->y,
&clickedpoint->x, &clickedpoint->y);
obj = diagram_find_clicked_object (diagram, clickedpoint, click_distance);
if (obj) {
/* Selected an object. */
GList *already;
/*printf("Selected object!\n");*/
already = g_list_find(diagram->data->selected, obj);
if (already == NULL) { /* Not already selected */
if (!(event->state & GDK_SHIFT_MASK)) {
/* Not Multi-select => remove current selection */
diagram_remove_all_selected(diagram, TRUE);
}
diagram_select(diagram, obj);
}
ddisplay_do_update_menu_sensitivity(ddisp);
object_add_updates_list(diagram->data->selected, diagram);
diagram_flush(diagram);
return obj;
}
return obj;
}
static void
textedit_button_press(TexteditTool *tool, GdkEventButton *event,
DDisplay *ddisp)
{
Point clickedpoint;
Diagram *diagram = ddisp->diagram;
DiaObject *obj = click_select_object (ddisp, &clickedpoint, event);
if (obj) {
if (obj != tool->object)
textedit_deactivate_focus ();
/* set cursor position */
if (textedit_activate_object(ddisp, obj, &clickedpoint)) {
tool->object = obj;
tool->start_at = clickedpoint;
tool->state = STATE_TEXT_SELECT;
} else {
/* Clicked outside of editable object, stop editing */
tool_reset();
}
} else {
textedit_deactivate_focus ();
diagram_remove_all_selected(diagram, TRUE);
tool_reset();
}
}
static void
textedit_button_release(TexteditTool *tool, GdkEventButton *event,
DDisplay *ddisp)
{
Point clickedpoint;
DiaObject *obj = click_select_object (ddisp, &clickedpoint, event);
if (obj) {
ddisplay_do_update_menu_sensitivity(ddisp);
tool->state = STATE_TEXT_EDIT;
/* no selection in the text editing yes */
} else {
/* back to modifying if we dont have an object */
textedit_deactivate_focus();
tool_reset ();
}
}
static void
textedit_motion(TexteditTool *tool, GdkEventMotion *event,
DDisplay *ddisp)
{
/* if we implement text selection here we could update the visual feedback */
}
static void
textedit_double_click(TexteditTool *tool, GdkEventButton *event,
DDisplay *ddisp)
{
/* if we implement text selection this should select a word */
}
Tool *
create_textedit_tool(void)
{
TexteditTool *tool;
DDisplay *ddisp;
tool = g_new0(TexteditTool, 1);
tool->tool.type = TEXTEDIT_TOOL;
tool->tool.button_press_func = (ButtonPressFunc) &textedit_button_press;
tool->tool.button_release_func = (ButtonReleaseFunc) &textedit_button_release;
tool->tool.motion_func = (MotionFunc) &textedit_motion;
tool->tool.double_click_func = (DoubleClickFunc) &textedit_double_click;
ddisplay_set_all_cursor_name (NULL, "text");
ddisp = ddisplay_active();
if (ddisp) {
if (textedit_activate_first (ddisp)) {
/* set the focus to the canvas area */
gtk_widget_grab_focus (ddisp->canvas);
}
ddisplay_flush(ddisp);
/* the above may have entered the textedit mode, just update in any case */
ddisplay_do_update_menu_sensitivity(ddisp);
}
return (Tool *)tool;
}
void
free_textedit_tool (Tool *tool)
{
DDisplay *ddisp = ddisplay_active();
if (ddisp) {
textedit_deactivate_focus ();
ddisplay_flush(ddisp);
}
ddisplay_set_all_cursor(default_cursor);
g_clear_pointer (&tool, g_free);
}
|
