ui/gtk/menu.c

Thu, 08 Feb 2024 10:31:19 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Thu, 08 Feb 2024 10:31:19 +0100
changeset 24
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parent 0
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child 29
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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2017 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31 #include <inttypes.h>
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32 #include <stdarg.h>
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33
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34 #include "menu.h"
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35 #include "toolkit.h"
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36 #include "../common/context.h"
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37 #include "../common/menu.h"
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38 #include "../ui/properties.h"
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39 #include "../ui/window.h"
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40 #include "container.h"
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41
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42 #include <cx/linked_list.h>
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43 #include <cx/array_list.h>
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44
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45
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46 static ui_menu_add_f createMenuItem[] = {
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47 /* UI_MENU */ add_menu_widget,
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48 /* UI_MENU_SUBMENU */ add_menu_widget,
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49 /* UI_MENU_ITEM */ add_menuitem_widget,
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50 /* UI_MENU_STOCK_ITEM */ add_menuitem_st_widget,
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51 /* UI_MENU_CHECK_ITEM */ add_checkitem_widget,
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52 /* UI_MENU_CHECK_ITEM_NV */ add_checkitemnv_widget,
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53 /* UI_MENU_ITEM_LIST */ add_menuitem_list_widget,
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54 /* UI_MENU_ITEM_LIST_NV */ NULL, // TODO
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55 /* UI_MENU_SEPARATOR */ add_menuseparator_widget
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56 };
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57
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58 // private menu functions
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59 GtkWidget *ui_create_menubar(UiObject *obj) {
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60 UiMenu *menus_begin = uic_get_menu_list();
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61 if(menus_begin == NULL) {
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62 return NULL;
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63 }
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64
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65 GtkWidget *mb = gtk_menu_bar_new();
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66
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67 UiMenu *ls = menus_begin;
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68 while(ls) {
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69 UiMenu *menu = ls;
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70 add_menu_widget(mb, 0, &menu->item, obj);
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71
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72 ls = (UiMenu*)ls->item.next;
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73 }
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74
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75 return mb;
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76 }
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77
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78 void add_menu_widget(GtkWidget *parent, int i, UiMenuItemI *item, UiObject *obj) {
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79 UiMenu *menu = (UiMenu*)item;
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80
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81 GtkWidget *menu_widget = gtk_menu_new();
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82 GtkWidget *menu_item = gtk_menu_item_new_with_mnemonic(menu->label);
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83 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_item), menu_widget);
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84
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85 UiMenuItemI *it = menu->items_begin;
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86 int index = 0;
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87 while(it) {
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88 createMenuItem[it->type](menu_widget, index, it, obj);
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89
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90 it = it->next;
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91 index++;
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92 }
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93
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94 gtk_menu_shell_append(GTK_MENU_SHELL(parent), menu_item);
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95 }
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96
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97 void add_menuitem_widget(GtkWidget *parent, int index, UiMenuItemI *item, UiObject *obj) {
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98 UiMenuItem *i = (UiMenuItem*)item;
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99
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100 //GtkWidget *widget = gtk_menu_item_new_with_label(i->title);
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101 GtkWidget *widget = gtk_menu_item_new_with_mnemonic(i->label);
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102
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103 if(i->callback != NULL) {
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104 UiEventData *event = malloc(sizeof(UiEventData));
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105 event->obj = obj;
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106 event->userdata = i->userdata;
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107 event->callback = i->callback;
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108 event->value = 0;
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109
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110 g_signal_connect(
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111 widget,
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112 "activate",
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113 G_CALLBACK(ui_menu_event_wrapper),
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114 event);
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115 g_signal_connect(
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116 widget,
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117 "destroy",
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118 G_CALLBACK(ui_destroy_userdata),
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119 event);
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120 }
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121
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122 gtk_menu_shell_append(GTK_MENU_SHELL(parent), widget);
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123
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124 if(i->groups) {
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125 uic_add_group_widget(obj->ctx, widget, (ui_enablefunc)ui_set_enabled, i->groups);
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126 }
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127 }
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128
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129 void add_menuitem_st_widget(
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130 GtkWidget *parent,
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131 int index,
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132 UiMenuItemI *item,
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133 UiObject *obj)
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134 {
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135 UiStMenuItem *i = (UiStMenuItem*)item;
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136
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137 GtkWidget *widget = gtk_image_menu_item_new_from_stock(i->stockid, obj->ctx->accel_group);
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138
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139 if(i->callback != NULL) {
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140 UiEventData *event = malloc(sizeof(UiEventData));
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141 event->obj = obj;
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142 event->userdata = i->userdata;
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143 event->callback = i->callback;
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144 event->value = 0;
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145
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146 g_signal_connect(
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147 widget,
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148 "activate",
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149 G_CALLBACK(ui_menu_event_wrapper),
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150 event);
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151 g_signal_connect(
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152 widget,
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153 "destroy",
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154 G_CALLBACK(ui_destroy_userdata),
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155 event);
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156 }
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157
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158 gtk_menu_shell_append(GTK_MENU_SHELL(parent), widget);
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159
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160 if(i->groups) {
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161 uic_add_group_widget(obj->ctx, widget, (ui_enablefunc)ui_set_enabled, i->groups);
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162 }
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163 }
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164
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165 void add_menuseparator_widget(
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166 GtkWidget *parent,
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167 int index,
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168 UiMenuItemI *item,
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169 UiObject *obj)
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170 {
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171 gtk_menu_shell_append(
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172 GTK_MENU_SHELL(parent),
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173 gtk_separator_menu_item_new());
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174 }
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175
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176 void add_checkitem_widget(GtkWidget *p, int index, UiMenuItemI *item, UiObject *obj) {
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177 UiCheckItem *ci = (UiCheckItem*)item;
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178 GtkWidget *widget = gtk_check_menu_item_new_with_mnemonic(ci->label);
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179 gtk_menu_shell_append(GTK_MENU_SHELL(p), widget);
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180
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181 if(ci->callback) {
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182 UiEventData *event = malloc(sizeof(UiEventData));
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183 event->obj = obj;
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184 event->userdata = ci->userdata;
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185 event->callback = ci->callback;
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186 event->value = 0;
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187
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188 g_signal_connect(
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189 widget,
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190 "toggled",
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191 G_CALLBACK(ui_menu_event_toggled),
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192 event);
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193 g_signal_connect(
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194 widget,
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195 "destroy",
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196 G_CALLBACK(ui_destroy_userdata),
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197 event);
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198 }
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199 }
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200
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201 void add_checkitemnv_widget(GtkWidget *p, int index, UiMenuItemI *item, UiObject *obj) {
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202 UiCheckItemNV *ci = (UiCheckItemNV*)item;
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203 GtkWidget *widget = gtk_check_menu_item_new_with_mnemonic(ci->label);
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204 gtk_menu_shell_append(GTK_MENU_SHELL(p), widget);
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205
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206 UiVar *var = uic_create_var(obj->ctx, ci->varname, UI_VAR_INTEGER);
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207 if(var) {
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208 UiInteger *value = var->value;
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209 value->obj = widget;
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210 value->get = ui_checkitem_get;
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211 value->set = ui_checkitem_set;
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212 value = 0;
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213 } else {
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214 // TODO: error
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215 }
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216 }
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217
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218 void add_menuitem_list_widget(GtkWidget *p, int index, UiMenuItemI *item, UiObject *obj) {
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219 UiMenuItemList *il = (UiMenuItemList*)item;
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220 const CxAllocator *a = obj->ctx->allocator;
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221
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222 UiActiveMenuItemList *ls = cxMalloc(
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223 a,
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224 sizeof(UiActiveMenuItemList));
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225
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226 ls->object = obj;
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227 ls->menu = GTK_MENU_SHELL(p);
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228 ls->index = index;
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229 ls->oldcount = 0;
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230 ls->list = il->list;
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231 ls->callback = il->callback;
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232 ls->userdata = il->userdata;
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233
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234 ls->list->observers = ui_add_observer(
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235 ls->list->observers,
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236 (ui_callback)ui_update_menuitem_list,
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237 ls);
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238
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239 ui_update_menuitem_list(NULL, ls);
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240 }
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241
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242
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243 void ui_update_menuitem_list(UiEvent *event, UiActiveMenuItemList *list) {
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244 // remove old items
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245 if(list->oldcount > 0) {
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246 int i = 0;
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247 GList *mi = gtk_container_get_children(GTK_CONTAINER(list->menu));
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248 while(mi) {
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249 if(i >= list->index && i < list->index + list->oldcount) {
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250 //gtk_container_remove(GTK_CONTAINER(list->menu), mi->data);
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251 gtk_widget_destroy(mi->data);
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252 }
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253 mi = mi->next;
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254 i++;
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255 }
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256 }
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257
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258 char *str = ui_list_first(list->list);
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259 if(str) {
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260 GtkWidget *widget = gtk_separator_menu_item_new();
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261 gtk_menu_shell_insert(list->menu, widget, list->index);
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262 gtk_widget_show(widget);
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263 }
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264 int i = 1;
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265 while(str) {
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266 GtkWidget *widget = gtk_menu_item_new_with_label(str);
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267 gtk_menu_shell_insert(list->menu, widget, list->index + i);
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268 gtk_widget_show(widget);
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269
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270 if(list->callback) {
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271 // TODO: use mempool
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272 UiEventData *event = malloc(sizeof(UiEventData));
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273 event->obj = list->object;
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274 event->userdata = list->userdata;
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275 event->callback = list->callback;
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276 event->value = i - 1;
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277
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278 g_signal_connect(
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279 widget,
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280 "activate",
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281 G_CALLBACK(ui_menu_event_wrapper),
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282 event);
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283 g_signal_connect(
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284 widget,
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285 "destroy",
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286 G_CALLBACK(ui_destroy_userdata),
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287 event);
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288 }
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289
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290 str = ui_list_next(list->list);
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291 i++;
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292 }
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293
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294 list->oldcount = i;
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295 }
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296
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297 void ui_menu_event_wrapper(GtkMenuItem *item, UiEventData *event) {
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298 UiEvent evt;
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299 evt.obj = event->obj;
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300 evt.window = event->obj->window;
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301 evt.document = event->obj->ctx->document;
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302 evt.eventdata = NULL;
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303 evt.intval = event->value;
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304 event->callback(&evt, event->userdata);
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305 }
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306
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307 void ui_menu_event_toggled(GtkCheckMenuItem *ci, UiEventData *event) {
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308 UiEvent evt;
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309 evt.obj = event->obj;
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310 evt.window = event->obj->window;
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311 evt.document = event->obj->ctx->document;
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312 evt.eventdata = NULL;
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313 evt.intval = gtk_check_menu_item_get_active(ci);
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314 event->callback(&evt, event->userdata);
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315 }
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316
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317 int64_t ui_checkitem_get(UiInteger *i) {
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318 int state = gtk_check_menu_item_get_active(i->obj);
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319 i->value = state;
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320 return state;
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321 }
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322
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323 void ui_checkitem_set(UiInteger *i, int64_t value) {
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324 i->value = value;
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325 gtk_check_menu_item_set_active(i->obj, value);
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326 }
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327
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328
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329 /*
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330 * widget menu functions
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331 */
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332
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333 static gboolean ui_button_press_event(GtkWidget *widget, GdkEvent *event, GtkMenu *menu) {
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334 if(event->type == GDK_BUTTON_PRESS) {
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335 GdkEventButton *e = (GdkEventButton*)event;
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336 if(e->button == 3) {
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337 gtk_widget_show_all(GTK_WIDGET(menu));
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338 ui_contextmenu_popup(menu);
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339 return TRUE;
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340 }
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341 }
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342 return FALSE;
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343 }
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344
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345 UIMENU ui_contextmenu(UiObject *obj) {
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346 UiContainer *ct = uic_get_current_container(obj);
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347 return ui_contextmenu_w(obj, ct->current);
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348 }
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349
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350 UIMENU ui_contextmenu_w(UiObject *obj, UIWIDGET widget) {
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351 UiContainer *ct = uic_get_current_container(obj);
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352
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353 GtkMenu *menu = GTK_MENU(gtk_menu_new());
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354 g_signal_connect(widget, "button-press-event", (GCallback) ui_button_press_event, menu);
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355
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356 ct->menu = menu;
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357 return menu;
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358 }
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359
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360 void ui_contextmenu_popup(UIMENU menu) {
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361 #if GTK_MAJOR_VERSION >= 3 && GTK_MINOR_VERSION >= 16
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362 gtk_menu_popup_at_pointer(menu, NULL);
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363 #else
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364 gtk_menu_popup(menu, NULL, NULL, 0, 0, 0, gtk_get_current_event_time());
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365 #endif
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366 }
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367
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368 void ui_widget_menuitem(UiObject *obj, char *label, ui_callback f, void *userdata) {
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369 ui_widget_menuitem_gr(obj, label, f, userdata, -1);
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370 }
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371
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372 void ui_widget_menuitem_gr(UiObject *obj, char *label, ui_callback f, void *userdata, ...) {
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373 UiContainer *ct = uic_get_current_container(obj);
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374 if(!ct->menu) {
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375 return;
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376 }
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377
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378 // add groups
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379 CxList *groups = NULL;
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380 va_list ap;
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381 va_start(ap, userdata);
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382 int group;
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parents:
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383 while((group = va_arg(ap, int)) != -1) {
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parents:
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384 if(!groups) {
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385 groups = cxArrayListCreate(cxDefaultAllocator, NULL, sizeof(int), 16);
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parents:
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386 }
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parents:
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387 cxListAdd(groups, &group);
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parents:
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388 }
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389 va_end(ap);
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parents:
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390
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391 // create menuitem
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parents:
diff changeset
392 GtkWidget *widget = gtk_menu_item_new_with_mnemonic(label);
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parents:
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393 gtk_widget_show(widget);
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parents:
diff changeset
394
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parents:
diff changeset
395 if(f) {
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parents:
diff changeset
396 UiEventData *event = malloc(sizeof(UiEventData));
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parents:
diff changeset
397 event->obj = obj;
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parents:
diff changeset
398 event->userdata = userdata;
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parents:
diff changeset
399 event->callback = f;
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parents:
diff changeset
400 event->value = 0;
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parents:
diff changeset
401
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parents:
diff changeset
402 g_signal_connect(
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parents:
diff changeset
403 widget,
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parents:
diff changeset
404 "activate",
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
405 G_CALLBACK(ui_menu_event_wrapper),
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
406 event);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
407 g_signal_connect(
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parents:
diff changeset
408 widget,
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
409 "destroy",
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
410 G_CALLBACK(ui_destroy_userdata),
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
411 event);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
412 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
413
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
414 gtk_menu_shell_append(GTK_MENU_SHELL(ct->menu), widget);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
415
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
416 if(groups) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
417 uic_add_group_widget(obj->ctx, widget, (ui_enablefunc)ui_set_enabled, groups);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
418 cxListDestroy(groups);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
419 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
420 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
421
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parents:
diff changeset
422 void ui_widget_menuitem_st(UiObject *obj, char *stockid, ui_callback f, void *userdata) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
423 ui_widget_menuitem_stgr(obj, stockid, f, userdata, -1);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
424 }
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parents:
diff changeset
425
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
426 void ui_widget_menuitem_stgr(UiObject *obj, char *stockid, ui_callback f, void *userdata, ...) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
427 UiContainer *ct = uic_get_current_container(obj);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
428 if(!ct->menu) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
429 return;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
430 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
431
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
432 // add groups
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
433 CxList *groups = NULL;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
434 va_list ap;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
435 va_start(ap, userdata);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
436 int group;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
437 while((group = va_arg(ap, int)) != -1) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
438 if(!groups) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
439 groups = cxArrayListCreate(cxDefaultAllocator, NULL, sizeof(int), 16);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
440 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
441 cxListAdd(groups, &group);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
442 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
443 va_end(ap);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
444
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
445 // create menuitem
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
446 GtkWidget *widget = gtk_image_menu_item_new_from_stock(stockid, obj->ctx->accel_group);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
447 gtk_widget_show(widget);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
448
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
449 if(f) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
450 UiEventData *event = malloc(sizeof(UiEventData));
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
451 event->obj = obj;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
452 event->userdata = userdata;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
453 event->callback = f;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
454 event->value = 0;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
455
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
456 g_signal_connect(
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
457 widget,
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
458 "activate",
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
459 G_CALLBACK(ui_menu_event_wrapper),
2483f517c562 add existing toolkit code
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
460 event);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
461 g_signal_connect(
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
462 widget,
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
463 "destroy",
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
464 G_CALLBACK(ui_destroy_userdata),
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
465 event);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
466 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
467
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parents:
diff changeset
468 gtk_menu_shell_append(GTK_MENU_SHELL(ct->menu), widget);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
469
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
470 if(groups) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
471 uic_add_group_widget(obj->ctx, widget, (ui_enablefunc)ui_set_enabled, groups);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
472 cxListDestroy(groups);
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
473 }
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
474 }

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