ui/gtk/toolkit.c

Fri, 14 Jun 2024 18:24:31 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Fri, 14 Jun 2024 18:24:31 +0200
changeset 41
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parent 39
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child 42
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permissions
-rw-r--r--

implement ui_list_getselection (GTK)

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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 <string.h>
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32 #include <stdbool.h>
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33
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34 #include "toolkit.h"
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35 #include "toolbar.h"
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36 #include "image.h"
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37 #include "../common/document.h"
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38 #include "../common/properties.h"
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39 #include "../common/menu.h"
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40 #include "../common/toolbar.h"
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41 #include "../common/threadpool.h"
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42
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43 #include <cx/utils.h>
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44 #include <cx/string.h>
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45 #include <cx/printf.h>
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46
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47 #include <pthread.h>
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48
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49 #ifndef UI_GTK2
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50 static GtkApplication *app;
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51 #endif
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52
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53 static const char *application_name;
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54
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55 static ui_callback startup_func;
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56 static void *startup_data;
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57 static ui_callback open_func;
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58 void *open_data;
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59 static ui_callback exit_func;
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60 void *exit_data;
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61
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62 static ui_callback appclose_fnc;
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63 static void *appclose_udata;
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64
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65 static UiObject *active_window;
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66
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67 static int scale_factor = 1;
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68
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69 UIEXPORT void ui_init(const char *appname, int argc, char **argv) {
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70 uic_init_global_context();
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71
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72 gtk_init(&argc, &argv);
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73 application_name = appname;
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74
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75 ui_css_init();
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76
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77 uic_docmgr_init();
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78
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79 uic_toolbar_init();
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81 ui_image_init();
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82
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83 uic_load_app_properties();
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84
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85 #ifdef UI_SUPPORTS_SCALE
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86 scale_factor = gdk_monitor_get_scale_factor(
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87 gdk_display_get_primary_monitor(gdk_display_get_default()));
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88 #endif
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89 }
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90
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91 const char* ui_appname() {
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92 return application_name;
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93 }
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94
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95 void ui_onstartup(ui_callback f, void *userdata) {
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96 startup_func = f;
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97 startup_data = userdata;
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98 }
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99
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100 void ui_onopen(ui_callback f, void *userdata) {
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101 open_func = f;
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102 open_data = userdata;
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103 }
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104
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105 void ui_onexit(ui_callback f, void *userdata) {
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106 exit_func = f;
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107 exit_data = userdata;
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108 }
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109
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110
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111 #ifndef UI_GTK2
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112 static void app_startup(GtkApplication* app, gpointer userdata) {
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113 if(startup_func) {
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114 startup_func(NULL, startup_data);
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115 }
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116 }
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117
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118 static void app_activate(GtkApplication* app, gpointer userdata) {
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119 printf("activate\n");
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120 }
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121 #endif
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122
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123 void ui_main() {
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124 #ifndef UI_GTK2
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125 cxmutstr appid = cx_asprintf(
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126 "ui.%s",
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127 application_name ? application_name : "application1");
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128
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129 app = gtk_application_new(
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130 appid.ptr,
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131 G_APPLICATION_FLAGS_NONE);
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132 g_signal_connect (app, "startup", G_CALLBACK (app_startup), NULL);
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133 g_signal_connect (app, "activate", G_CALLBACK (app_activate), NULL);
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134 g_application_run(G_APPLICATION (app), 0, NULL);
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135 g_object_unref (app);
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136
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137 free(appid.ptr);
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138 #else
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139 if(startup_func) {
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140 startup_func(NULL, startup_data);
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141 }
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142 gtk_main();
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143 #endif
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144 if(exit_func) {
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145 exit_func(NULL, exit_data);
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146 }
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147 uic_store_app_properties();
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148 }
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149
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150 #ifndef UI_GTK2
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151 void ui_app_quit() {
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152 g_application_quit(G_APPLICATION(app));
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153 }
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154
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155 GtkApplication* ui_get_application() {
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156 return app;
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157 }
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158 #endif
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159
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160 void ui_show(UiObject *obj) {
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161 uic_check_group_widgets(obj->ctx);
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162 gtk_widget_show_all(obj->widget);
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163 }
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164
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165 void ui_close(UiObject *obj) {
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166 gtk_widget_destroy(obj->widget);
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167 }
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168
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169
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170 static gboolean ui_job_finished(void *data) {
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171 UiJob *job = data;
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172
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173 UiEvent event;
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174 event.obj = job->obj;
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175 event.window = job->obj->window;
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176 event.document = job->obj->ctx->document;
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177 event.intval = 0;
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178 event.eventdata = NULL;
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179
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180 job->finish_callback(&event, job->finish_data);
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181 free(job);
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182 return FALSE;
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183 }
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184
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185 static void* ui_jobthread(void *data) {
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186 UiJob *job = data;
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187 int result = job->job_func(job->job_data);
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188 if(!result && job->finish_callback) {
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189 g_idle_add(ui_job_finished, job);
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190 } else {
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191 free(job);
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192 }
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193 return NULL;
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194 }
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195
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196 static gboolean ui_idle_func(void *data) {
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197 UiJob *job = data;
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198 job->job_func(job->job_data);
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199 free(job);
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200 return FALSE;
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201 }
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202
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203 void ui_call_mainthread(ui_threadfunc tf, void* td) {
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204 UiJob *job = malloc(sizeof(UiJob));
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205 job->job_func = tf;
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206 job->job_data = td;
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207 job->finish_callback = NULL;
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208 job->finish_data = NULL;
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209 job->obj = NULL;
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210 g_idle_add(ui_idle_func, job);
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211 }
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212
0
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213 void ui_job(UiObject *obj, ui_threadfunc tf, void *td, ui_callback f, void *fd) {
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214 UiJob *job = malloc(sizeof(UiJob));
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215 job->obj = obj;
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216 job->job_func = tf;
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217 job->job_data = td;
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218 job->finish_callback = f;
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219 job->finish_data = fd;
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220 pthread_t pid;
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221 pthread_create(&pid, NULL, ui_jobthread, job);
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222 }
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223
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224 void ui_set_enabled(UIWIDGET widget, int enabled) {
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225 gtk_widget_set_sensitive(widget, enabled);
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226 }
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227
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228 void ui_set_show_all(UIWIDGET widget, int value) {
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229 gtk_widget_set_no_show_all(widget, !value);
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230 }
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231
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232 void ui_set_visible(UIWIDGET widget, int visible) {
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233 if(visible) {
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234 gtk_widget_set_no_show_all(widget, FALSE);
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235 gtk_widget_show_all(widget);
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236 } else {
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237 gtk_widget_hide(widget);
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238 }
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239 }
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240
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241 void ui_clipboard_set(char *str) {
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242 GtkClipboard *cb = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
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243 gtk_clipboard_set_text(cb, str, strlen(str));
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244 }
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245
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246 char* ui_clipboard_get() {
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247 GtkClipboard *cb = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
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248 char *str = gtk_clipboard_wait_for_text(cb);
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249 if(str) {
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250 char *copy = strdup(str);
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251 g_free(str);
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252 return copy;
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253 } else {
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254 return NULL;
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255 }
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256 }
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257
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258 int ui_get_scalefactor() {
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259 return scale_factor;
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260 }
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261
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262 void ui_destroy_userdata(GtkWidget *object, void *userdata) {
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263 free(userdata);
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264 }
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265
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266 void ui_destroy_vardata(GtkWidget *object, UiVarEventData *data) {
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267 if(data->var) {
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268 ui_destroy_boundvar(data->obj->ctx, data->var);
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269 }
0
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270 free(data);
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271 }
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272
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273 void ui_destroy_boundvar(UiContext *ctx, UiVar *var) {
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274 uic_unbind_var(var);
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275
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276 if(var->type == UI_VAR_SPECIAL) {
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277 free(var);
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278 } else {
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279 ui_free(var->from_ctx, var);
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280 // TODO: free or unbound
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281 //uic_remove_bound_var(ctx, var);
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282 }
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283 }
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284
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285 void ui_set_active_window(UiObject *obj) {
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286 active_window = obj;
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287 }
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288
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289 UiObject *ui_get_active_window() {
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290 return active_window;
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291 }
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292
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293
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294 #if GTK_MAJOR_VERSION >= 3
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295
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296 static GtkCssProvider* ui_gtk_css_provider;
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297
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298 static const char *ui_gtk_css =
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299 "#path-textfield-box {"
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300 " background-color: @theme_base_color;"
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301 " border-radius: 5px;"
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302 " padding: 0px;"
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303 "}";
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304
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305 void ui_css_init(void) {
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306 ui_gtk_css_provider = gtk_css_provider_new();
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307 gtk_css_provider_load_from_data(ui_gtk_css_provider, ui_gtk_css, -1, NULL);
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308
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309 GdkScreen *screen = gdk_screen_get_default();
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310 gtk_style_context_add_provider_for_screen(
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311 screen,
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312 GTK_STYLE_PROVIDER(ui_gtk_css_provider),
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313 GTK_STYLE_PROVIDER_PRIORITY_USER);
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314 }
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315
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316
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317
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318 #endif

mercurial