ui/gtk/toolkit.c

Thu, 03 Oct 2024 18:08:29 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Thu, 03 Oct 2024 18:08:29 +0200
changeset 46
31bc86844659
parent 45
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child 48
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permissions
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implement action_newfile

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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 #ifdef UI_APPLICATION
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50 UI_APPLICATION 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 application_name = appname;
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71 uic_init_global_context();
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72
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73 #if GTK_MAJOR_VERSION >= 4
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74 gtk_init();
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75 #else
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76 gtk_init(&argc, &argv);
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77 #endif
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78
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79 ui_css_init();
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80 uic_docmgr_init();
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81 uic_toolbar_init();
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82 ui_image_init();
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83 uic_load_app_properties();
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84
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85 #if GTK_MAJOR_VERSION >= 4
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86 scale_factor = 1; // TODO
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87 #elif defined(UI_SUPPORTS_SCALE)
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88 scale_factor = gdk_monitor_get_scale_factor(
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89 gdk_display_get_primary_monitor(gdk_display_get_default()));
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90 #endif
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91 }
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92
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93 const char* ui_appname() {
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94 return application_name;
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95 }
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96
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97 void ui_onstartup(ui_callback f, void *userdata) {
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98 startup_func = f;
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99 startup_data = userdata;
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100 }
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101
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102 void ui_onopen(ui_callback f, void *userdata) {
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103 open_func = f;
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104 open_data = userdata;
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105 }
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106
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107 void ui_onexit(ui_callback f, void *userdata) {
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108 exit_func = f;
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109 exit_data = userdata;
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110 }
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111
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112
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113 #ifndef UI_GTK2
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114 static void app_startup(GtkApplication* app, gpointer userdata) {
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115 if(startup_func) {
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116 startup_func(NULL, startup_data);
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117 }
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118 }
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119
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120 static void app_activate(GtkApplication* app, gpointer userdata) {
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121 printf("activate\n");
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122 }
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123 #endif
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124
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125 void ui_main() {
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126 #ifdef UI_APPLICATION
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127 cxmutstr appid = cx_asprintf(
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128 "ui.%s",
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129 application_name ? application_name : "application1");
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130 app = UI_APPLICATION_NEW(appid.ptr);
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131 g_signal_connect (app, "startup", G_CALLBACK (app_startup), NULL);
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132 g_signal_connect (app, "activate", G_CALLBACK (app_activate), NULL);
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133 g_application_run(G_APPLICATION (app), 0, NULL);
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134 g_object_unref (app);
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135
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136 free(appid.ptr);
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137 #else
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138 if(startup_func) {
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139 startup_func(NULL, startup_data);
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140 }
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141 gtk_main();
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142 #endif
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143 if(exit_func) {
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144 exit_func(NULL, exit_data);
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145 }
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146 uic_store_app_properties();
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147 }
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148
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149 #ifndef UI_GTK2
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150 void ui_app_quit() {
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151 g_application_quit(G_APPLICATION(app));
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152 }
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153
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154 GtkApplication* ui_get_application() {
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155 return GTK_APPLICATION(app);
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156 }
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157 #endif
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158
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159 void ui_show(UiObject *obj) {
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160 uic_check_group_widgets(obj->ctx);
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161 #if GTK_MAJOR_VERSION >= 4
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162 gtk_window_present(GTK_WINDOW(obj->widget));
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163 #elif GTK_MAJOR_VERSION <= 3
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164 gtk_widget_show_all(obj->widget);
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165 #endif
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166 }
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167
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168 void ui_close(UiObject *obj) {
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169 // TODO
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170 //gtk_widget_destroy(obj->widget);
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171 }
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172
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173
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174 static gboolean ui_job_finished(void *data) {
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175 UiJob *job = data;
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176
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177 UiEvent event;
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178 event.obj = job->obj;
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179 event.window = job->obj->window;
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180 event.document = job->obj->ctx->document;
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181 event.intval = 0;
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182 event.eventdata = NULL;
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183
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184 job->finish_callback(&event, job->finish_data);
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185 free(job);
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186 return FALSE;
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187 }
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188
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189 static void* ui_jobthread(void *data) {
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190 UiJob *job = data;
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191 int result = job->job_func(job->job_data);
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192 if(!result && job->finish_callback) {
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193 g_idle_add(ui_job_finished, job);
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194 } else {
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195 free(job);
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196 }
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197 return NULL;
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198 }
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199
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200 static gboolean ui_idle_func(void *data) {
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201 UiJob *job = data;
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202 job->job_func(job->job_data);
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203 free(job);
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204 return FALSE;
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205 }
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206
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207 void ui_call_mainthread(ui_threadfunc tf, void* td) {
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208 UiJob *job = malloc(sizeof(UiJob));
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209 job->job_func = tf;
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210 job->job_data = td;
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211 job->finish_callback = NULL;
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212 job->finish_data = NULL;
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213 job->obj = NULL;
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214 g_idle_add(ui_idle_func, job);
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215 }
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216
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217 void ui_job(UiObject *obj, ui_threadfunc tf, void *td, ui_callback f, void *fd) {
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218 UiJob *job = malloc(sizeof(UiJob));
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219 job->obj = obj;
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220 job->job_func = tf;
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221 job->job_data = td;
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222 job->finish_callback = f;
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223 job->finish_data = fd;
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224 pthread_t pid;
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225 pthread_create(&pid, NULL, ui_jobthread, job);
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226 }
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227
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228 void ui_set_enabled(UIWIDGET widget, int enabled) {
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229 gtk_widget_set_sensitive(widget, enabled);
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230 }
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231
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232 void ui_set_show_all(UIWIDGET widget, int value) {
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233 // TODO: gtk4
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234 #if GTK_MAJOR_VERSION <= 3
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235 gtk_widget_set_no_show_all(widget, !value);
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236 #endif
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237 }
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238
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239 void ui_set_visible(UIWIDGET widget, int visible) {
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240 // TODO: gtk4
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241 #if GTK_MAJOR_VERSION <= 3
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242 if(visible) {
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243 gtk_widget_set_no_show_all(widget, FALSE);
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244 gtk_widget_show_all(widget);
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245 } else {
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246 gtk_widget_hide(widget);
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247 }
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248 #endif
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249 }
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250
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251 void ui_clipboard_set(char *str) {
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252 #if GTK_MAJOR_VERSION >= 4
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253 // TODO: gtk4: needs widget
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254 #else
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255 GtkClipboard *cb = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
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256 gtk_clipboard_set_text(cb, str, strlen(str));
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257 #endif
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258 }
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259
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260 char* ui_clipboard_get() {
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261 #if GTK_MAJOR_VERSION >= 4
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262 // TODO: gtk4: needs widget
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263 return NULL;
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264 #else
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265 GtkClipboard *cb = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
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266 char *str = gtk_clipboard_wait_for_text(cb);
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267 if(str) {
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268 char *copy = strdup(str);
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269 g_free(str);
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270 return copy;
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271 } else {
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272 return NULL;
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273 }
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274 #endif
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275 }
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276
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277 int ui_get_scalefactor() {
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278 return scale_factor;
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279 }
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280
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281 void ui_destroy_userdata(GtkWidget *object, void *userdata) {
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282 free(userdata);
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283 }
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284
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285 void ui_destroy_vardata(GtkWidget *object, UiVarEventData *data) {
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286 if(data->var) {
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287 ui_destroy_boundvar(data->obj->ctx, data->var);
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288 }
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289 free(data);
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290 }
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291
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292 void ui_destroy_boundvar(UiContext *ctx, UiVar *var) {
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293 uic_unbind_var(var);
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294
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295 if(var->type == UI_VAR_SPECIAL) {
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296 free(var);
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297 } else {
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298 ui_free(var->from_ctx, var);
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299 // TODO: free or unbound
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300 //uic_remove_bound_var(ctx, var);
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301 }
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302 }
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303
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304 void ui_set_active_window(UiObject *obj) {
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305 active_window = obj;
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306 }
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307
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308 UiObject *ui_get_active_window() {
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309 return active_window;
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310 }
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311
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312
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313 #if GTK_MAJOR_VERSION >= 3
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314
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315 static GtkCssProvider* ui_gtk_css_provider;
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316
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317 #if GTK_MAJOR_VERSION == 4
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318 static const char *ui_gtk_css =
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319 "#path-textfield-box {\n"
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320 " background-color: alpha(currentColor, 0.1);"
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321 " border-radius: 6px;"
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322 " padding: 0px;"
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323 "}\n"
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324 ".pathbar-extra-button {\n"
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325 " border-top-right-radius: 6px;"
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326 " border-bottom-right-radius: 6px;"
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327 " border-top-left-radius: 0px;"
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328 " border-bottom-left-radius: 0px;"
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329 "}\n"
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330 "#pathbar button {\n"
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331 " margin: 3px;"
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332 " border-radius: 4px;"
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333 " padding-top: 0px;"
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334 " padding-bottom: 0px;"
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335 " padding-left: 8px;"
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336 " padding-right: 8px;"
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337 "}\n"
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338 "#path-textfield-box entry {\n"
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339 " background-color: #00000000;"
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340 " border-top-left-radius: 6px;"
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341 " border-bottom-left-radius: 6px;"
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342 " border-top-right-radius: 0px;"
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343 " border-bottom-right-radius: 0px;"
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344 "}"
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345 ;
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346
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347 #elif GTK_MAJOR_VERSION == 3
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348 static const char *ui_gtk_css =
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349 "#path-textfield-box {"
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350 " background-color: @theme_base_color;"
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351 " border-radius: 5px;"
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352 " padding: 0px;"
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353 "}";
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354 #endif
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355
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356 void ui_css_init(void) {
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357 ui_gtk_css_provider = gtk_css_provider_new();
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358
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359 #ifdef UI_GTK3
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360 gtk_css_provider_load_from_data(ui_gtk_css_provider, ui_gtk_css, -1, NULL);
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361
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362 GdkScreen *screen = gdk_screen_get_default();
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363 gtk_style_context_add_provider_for_screen(
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364 screen,
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365 GTK_STYLE_PROVIDER(ui_gtk_css_provider),
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366 GTK_STYLE_PROVIDER_PRIORITY_USER);
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367 #endif /* UI_GTK3 */
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368
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369 #ifdef UI_GTK4
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370
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371
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372 #if GTK_MINOR_VERSION < 12
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373 gtk_css_provider_load_from_data(ui_gtk_css_provider, ui_gtk_css, -1);
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374 #else
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375 gtk_css_provider_load_from_string(ui_gtk_css_provider, ui_gtk_css);
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376 #endif /* GTK_MINOR_VERSION < 12 */
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377
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378 GdkDisplay *display = gdk_display_get_default();
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379 gtk_style_context_add_provider_for_display(display, GTK_STYLE_PROVIDER(ui_gtk_css_provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
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380
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381 #endif /* UI_GTK4 */
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382 }
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383
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384
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385
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386 #endif
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387
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388 void ui_set_name_and_style(GtkWidget *widget, const char *name, const char *style_classes) {
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389 if(name) {
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390 gtk_widget_set_name(widget, name);
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391 }
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392 if(style_classes) {
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393 cxstring *cls = NULL;
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394 size_t numClasses = cx_strsplit_a(cxDefaultAllocator, cx_str(style_classes), CX_STR(" "), 128, &cls);
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395 for(int i=0;i<numClasses;i++) {
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396 cxmutstr m = cx_strdup(cls[i]);
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397 #if GTK_MAJOR_VERSION >= 4
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398 gtk_widget_add_css_class(widget, m.ptr);
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399 #elif GTK_MAJOR_VERSION >= 3
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400 GtkStyleContext *ctx = gtk_widget_get_style_context(widget);
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401 gtk_style_context_add_class(ctx, m.ptr);
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402 #endif
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403 free(m.ptr);
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404 }
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405 free(cls);
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406
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407 }
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408 }

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