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
|
/*
*
* Copyright (c) 2004 by Alastair M. Robinson
* Distributed under the terms of the GNU General Public License -
* see the file named "COPYING" for more details.
*
*/
#include <string.h>
#include <gtk/gtk.h>
#include <gtk/gtkframe.h>
#include <gtk/gtksizegroup.h>
#include <gtk/gtkcheckbutton.h>
#include <gtk/gtkfilesel.h>
#include <gtk/gtkentry.h>
#include <gtk/gtkspinbutton.h>
#include <gtk/gtklabel.h>
#include <gtk/gtktable.h>
#include <gtk/gtkoptionmenu.h>
#include <gtk/gtkmenuitem.h>
#include "pp_scaling.h"
#include "dialogs.h"
#include "config.h"
#include "gettext.h"
#define _(x) gettext(x)
#include "imagesource/imagesource_util.h"
enum {
CHANGED_SIGNAL,
LAST_SIGNAL
};
static guint pp_scaling_signals[LAST_SIGNAL] = { 0 };
static void pp_scaling_class_init (pp_ScalingClass *klass);
static void pp_scaling_init (pp_Scaling *stpuicombo);
static void scaling_changed(GtkWidget *wid,gpointer *ob)
{
pp_Scaling *lo=(pp_Scaling *)ob;
pp_scaling_refresh(lo);
g_signal_emit(G_OBJECT (ob),pp_scaling_signals[CHANGED_SIGNAL], 0);
}
void pp_scaling_refresh(pp_Scaling *ob)
{
pp_scaling_get_scale(ob);
}
GtkWidget*
pp_scaling_new (IS_ScalingQuality scale)
{
pp_Scaling *ob=PP_SCALING(g_object_new (pp_scaling_get_type (), NULL));
gtk_box_set_spacing(GTK_BOX(ob),5);
GtkWidget *label;
GtkWidget *hbox;
hbox=gtk_hbox_new(FALSE,0);
gtk_box_pack_start(GTK_BOX(ob),hbox,TRUE,TRUE,0);
gtk_widget_show(hbox);
label=gtk_label_new(_("Algorithm:"));
gtk_box_pack_start(GTK_BOX(hbox),label,FALSE,FALSE,0);
gtk_widget_show(label);
ob->scaleselector = gtk_option_menu_new ();
GtkWidget *menu, *menu_item;
menu = gtk_menu_new ();
for(int i=0;i<IS_SCALING_MAX;++i)
{
const IS_ScalingQualityDescription *desc=DescribeScalingQuality(IS_ScalingQuality(i));
menu_item = gtk_menu_item_new_with_label (desc->Name);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
g_signal_connect(G_OBJECT(menu_item),"activate",G_CALLBACK(scaling_changed),ob);
gtk_widget_show (menu_item);
}
gtk_option_menu_set_menu (GTK_OPTION_MENU (ob->scaleselector), menu);
gtk_box_pack_start(GTK_BOX(hbox),ob->scaleselector,TRUE,TRUE,5);
gtk_widget_show(ob->scaleselector);
ob->description=gtk_label_new("");
gtk_box_pack_start(GTK_BOX(ob),ob->description,TRUE,TRUE,0);
gtk_widget_show(ob->description);
pp_scaling_set_scale(ob,scale);
pp_scaling_refresh(ob);
return(GTK_WIDGET(ob));
}
GType
pp_scaling_get_type (void)
{
static GType stpuic_type = 0;
if (!stpuic_type)
{
static const GTypeInfo pp_scaling_info =
{
sizeof (pp_ScalingClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) pp_scaling_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (pp_Scaling),
0,
(GInstanceInitFunc) pp_scaling_init,
};
stpuic_type = g_type_register_static (GTK_TYPE_VBOX, "pp_Scaling", &pp_scaling_info, (GTypeFlags)0);
}
return stpuic_type;
}
static void
pp_scaling_class_init (pp_ScalingClass *klass)
{
pp_scaling_signals[CHANGED_SIGNAL] =
g_signal_new ("changed",
G_TYPE_FROM_CLASS (klass),
GSignalFlags(G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION),
G_STRUCT_OFFSET (pp_ScalingClass, changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
}
static void
pp_scaling_init (pp_Scaling *ob)
{
}
void pp_scaling_set_scale(pp_Scaling *ob,IS_ScalingQuality scale)
{
gtk_option_menu_set_history(GTK_OPTION_MENU(ob->scaleselector),scale);
const IS_ScalingQualityDescription *desc=DescribeScalingQuality(IS_ScalingQuality(scale));
gtk_label_set_text(GTK_LABEL(ob->description),desc->Description);
}
IS_ScalingQuality pp_scaling_get_scale(pp_Scaling *ob)
{
IS_ScalingQuality s=IS_ScalingQuality(gtk_option_menu_get_history(GTK_OPTION_MENU(ob->scaleselector)));
const IS_ScalingQualityDescription *desc=DescribeScalingQuality(IS_ScalingQuality(s));
gtk_label_set_text(GTK_LABEL(ob->description),desc->Description);
return(s);
}
IS_ScalingQuality pp_scaling_run_dialog(GtkWindow *parent,IS_ScalingQuality scaling)
{
GtkWidget *dialog=gtk_dialog_new_with_buttons("Scaling",
parent,GtkDialogFlags(0),
GTK_STOCK_CANCEL,GTK_RESPONSE_CANCEL,
GTK_STOCK_OK,GTK_RESPONSE_OK,
NULL);
GtkWidget *uw=pp_scaling_new(scaling);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),uw,FALSE,FALSE,0);
gtk_widget_show(uw);
gtk_widget_show(dialog);
gint result=gtk_dialog_run(GTK_DIALOG(dialog));
switch(result)
{
case GTK_RESPONSE_CANCEL:
break;
case GTK_RESPONSE_OK:
scaling=pp_scaling_get_scale(PP_SCALING(uw));
break;
}
gtk_widget_destroy(dialog);
return(scaling);
}
|
