Sat, 27 Jan 2024 17:50:19 +0100
update ucx, libidav and add first gui code
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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 | |
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32 | #include "button.h" |
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33 | #include "container.h" |
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34 | #include <cx/allocator.h> |
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35 | #include "../common/context.h" |
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36 | #include "../common/object.h" |
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37 | |
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38 | UIWIDGET ui_button(UiObject *obj, char *label, ui_callback f, void *data) { |
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39 | GtkWidget *button = gtk_button_new_with_label(label); |
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40 | |
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41 | if(f) { |
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42 | UiEventData *event = malloc(sizeof(UiEventData)); |
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43 | event->obj = obj; |
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44 | event->userdata = data; |
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45 | event->callback = f; |
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46 | event->value = 0; |
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47 | |
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48 | g_signal_connect( |
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49 | button, |
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50 | "clicked", |
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51 | G_CALLBACK(ui_button_clicked), |
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52 | event); |
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53 | g_signal_connect( |
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54 | button, |
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55 | "destroy", |
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56 | G_CALLBACK(ui_destroy_userdata), |
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57 | event); |
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58 | } |
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59 | |
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60 | UiContainer *ct = uic_get_current_container(obj); |
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61 | ct->add(ct, button, FALSE); |
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62 | |
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63 | return button; |
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64 | } |
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65 | |
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66 | |
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67 | void ui_button_clicked(GtkWidget *widget, UiEventData *event) { |
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68 | UiEvent e; |
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69 | e.obj = event->obj; |
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70 | e.window = event->obj->window; |
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71 | e.document = event->obj->ctx->document; |
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72 | e.eventdata = NULL; |
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73 | e.intval = event->value; |
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74 | event->callback(&e, event->userdata); |
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75 | } |
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76 | |
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77 | int64_t ui_toggle_button_get(UiInteger *integer) { |
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78 | GtkToggleButton *button = integer->obj; |
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79 | integer->value = (int)gtk_toggle_button_get_active(button); |
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80 | return integer->value; |
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81 | } |
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82 | |
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83 | void ui_toggle_button_set(UiInteger *integer, int64_t value) { |
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84 | GtkToggleButton *button = integer->obj; |
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85 | integer->value = value; |
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86 | gtk_toggle_button_set_active(button, value != 0 ? TRUE : FALSE); |
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87 | } |
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88 | |
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89 | void ui_toggled_obs(GtkToggleToolButton *widget, UiVarEventData *event) { |
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90 | UiEvent e; |
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91 | e.obj = event->obj; |
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92 | e.window = event->obj->window; |
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93 | e.document = event->obj->ctx->document; |
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94 | e.eventdata = event->var->value; |
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95 | e.intval = gtk_toggle_tool_button_get_active(widget); |
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96 | |
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97 | UiInteger *i = event->var->value; |
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98 | ui_notify_evt(i->observers, &e); |
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99 | } |
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100 | |
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101 | UIWIDGET ui_checkbox_var(UiObject *obj, char *label, UiVar *var) { |
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102 | GtkWidget *button = gtk_check_button_new_with_label(label); |
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103 | |
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104 | // bind value |
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105 | if(var) { |
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106 | UiInteger *value = var->value; |
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107 | value->obj = GTK_TOGGLE_BUTTON(button); |
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108 | value->get = ui_toggle_button_get; |
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109 | value->set = ui_toggle_button_set; |
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110 | gtk_toggle_button_set_active(value->obj, value->value); |
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111 | |
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112 | UiVarEventData *event = malloc(sizeof(UiVarEventData)); |
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113 | event->obj = obj; |
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114 | event->var = var; |
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115 | event->observers = NULL; |
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116 | |
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117 | g_signal_connect( |
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118 | button, |
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119 | "clicked", |
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120 | G_CALLBACK(ui_toggled_obs), |
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121 | event); |
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122 | g_signal_connect( |
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123 | button, |
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124 | "destroy", |
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125 | G_CALLBACK(ui_destroy_vardata), |
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126 | event); |
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127 | } |
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128 | |
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129 | UiContainer *ct = uic_get_current_container(obj); |
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130 | ct->add(ct, button, FALSE); |
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131 | |
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132 | return button; |
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133 | } |
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134 | |
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135 | UIWIDGET ui_checkbox(UiObject *obj, char *label, UiInteger *value) { |
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136 | UiVar *var = NULL; |
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137 | if(value) { |
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138 | var = malloc(sizeof(UiVar)); |
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139 | var->value = value; |
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140 | var->type = UI_VAR_SPECIAL; |
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141 | } |
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142 | return ui_checkbox_var(obj, label, var); |
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143 | } |
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144 | |
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145 | UIWIDGET ui_checkbox_nv(UiObject *obj, char *label, char *varname) { |
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146 | UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_INTEGER); |
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147 | return ui_checkbox_var(obj, label, var); |
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148 | } |
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149 | |
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150 | |
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151 | UIWIDGET ui_radiobutton_var(UiObject *obj, char *label, UiVar *var) { |
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152 | GSList *rg = NULL; |
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153 | UiInteger *rgroup; |
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154 | |
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155 | if(var) { |
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156 | rgroup = var->value; |
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157 | rg = rgroup->obj; |
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158 | } |
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159 | |
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160 | GtkWidget *rbutton = gtk_radio_button_new_with_label(rg, label); |
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161 | rg = gtk_radio_button_get_group(GTK_RADIO_BUTTON(rbutton)); |
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162 | |
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163 | if(rgroup) { |
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164 | rgroup->obj = rg; |
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165 | rgroup->get = ui_radiobutton_get; |
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166 | rgroup->set = ui_radiobutton_set; |
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167 | |
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168 | ui_radiobutton_set(rgroup, rgroup->value); |
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169 | |
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170 | UiVarEventData *event = malloc(sizeof(UiVarEventData)); |
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171 | event->obj = obj; |
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172 | event->var = var; |
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173 | event->observers = NULL; |
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174 | |
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175 | g_signal_connect( |
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176 | rbutton, |
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177 | "clicked", |
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178 | G_CALLBACK(ui_radio_obs), |
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179 | event); |
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180 | g_signal_connect( |
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181 | rbutton, |
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182 | "destroy", |
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183 | G_CALLBACK(ui_destroy_vardata), |
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184 | event); |
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185 | } |
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186 | |
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187 | UiContainer *ct = uic_get_current_container(obj); |
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188 | ct->add(ct, rbutton, FALSE); |
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189 | |
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190 | return rbutton; |
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191 | } |
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192 | |
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193 | UIWIDGET ui_radiobutton(UiObject *obj, char *label, UiInteger *rgroup) { |
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194 | UiVar *var = NULL; |
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195 | if(rgroup) { |
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196 | var = malloc(sizeof(UiVar)); |
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197 | var->value = rgroup; |
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198 | var->type = UI_VAR_SPECIAL; |
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199 | } |
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200 | return ui_radiobutton_var(obj, label, var); |
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201 | } |
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202 | |
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203 | UIWIDGET ui_radiobutton_nv(UiObject *obj, char *label, char *varname) { |
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204 | UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_INTEGER); |
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205 | return ui_radiobutton_var(obj, label, var); |
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206 | } |
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207 | |
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208 | void ui_radio_obs(GtkToggleToolButton *widget, UiVarEventData *event) { |
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209 | UiInteger *i = event->var->value; |
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210 | |
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211 | UiEvent e; |
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212 | e.obj = event->obj; |
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213 | e.window = event->obj->window; |
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214 | e.document = event->obj->ctx->document; |
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215 | e.eventdata = NULL; |
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216 | e.intval = i->get(i); |
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217 | |
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218 | ui_notify_evt(i->observers, &e); |
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219 | } |
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220 | |
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221 | int64_t ui_radiobutton_get(UiInteger *value) { |
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222 | int selection = 0; |
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223 | GSList *ls = value->obj; |
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224 | int i = 0; |
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225 | guint len = g_slist_length(ls); |
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226 | while(ls) { |
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227 | if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ls->data))) { |
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228 | selection = len - i - 1; |
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229 | break; |
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230 | } |
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231 | ls = ls->next; |
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232 | i++; |
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233 | } |
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234 | |
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235 | value->value = selection; |
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236 | return selection; |
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237 | } |
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238 | |
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239 | void ui_radiobutton_set(UiInteger *value, int64_t i) { |
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240 | GSList *ls = value->obj; |
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241 | int s = g_slist_length(ls) - 1 - i; |
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242 | int j = 0; |
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243 | while(ls) { |
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244 | if(j == s) { |
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245 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ls->data), TRUE); |
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246 | break; |
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247 | } |
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248 | ls = ls->next; |
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249 | j++; |
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250 | } |
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251 | |
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252 | value->value = i; |
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253 | } |
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254 |