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implement key management UI
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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 "graphics.h" |
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33 | #include "container.h" |
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34 | #include "../common/object.h" |
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35 | |
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36 | UIWIDGET ui_drawingarea(UiObject *obj, ui_drawfunc f, void *userdata) { |
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37 | GtkWidget *widget = gtk_drawing_area_new(); |
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38 | |
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39 | if(f) { |
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40 | UiDrawEvent *event = malloc(sizeof(UiDrawEvent)); |
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41 | event->obj = obj; |
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42 | event->callback = f; |
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43 | event->userdata = userdata; |
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44 | ui_connect_draw_handler(widget, event); |
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45 | } |
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46 | |
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47 | UiContainer *ct = uic_get_current_container(obj); |
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48 | ct->add(ct, widget, TRUE); |
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49 | |
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50 | return widget; |
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51 | } |
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52 | |
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53 | |
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54 | #if GTK_MAJOR_VERSION <= 3 |
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55 | static gboolean widget_button_pressed( |
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56 | GtkWidget *widget, |
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57 | GdkEvent *event, |
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58 | gpointer userdata) |
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59 | { |
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60 | UiEventData *eventdata = userdata; |
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61 | |
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62 | UiMouseEvent me; |
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63 | me.x = (int)event->button.x; |
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64 | me.y = (int)event->button.y; |
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65 | |
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66 | int exec = 0; |
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67 | if(event->button.type == GDK_BUTTON_PRESS) { |
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68 | exec = 1; |
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69 | me.type = UI_PRESS; |
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70 | } else if(event->button.type == GDK_2BUTTON_PRESS) { |
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71 | exec = 1; |
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72 | me.type = UI_PRESS2; |
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73 | } |
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74 | |
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75 | if(exec) { |
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76 | UiEvent e; |
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77 | e.obj = eventdata->obj; |
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78 | e.window = eventdata->obj->window; |
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79 | e.document = eventdata->obj->ctx->document; |
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80 | e.eventdata = &me; |
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81 | e.intval = 0; |
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82 | eventdata->callback(&e, eventdata->userdata); |
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83 | } |
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84 | return TRUE; |
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85 | } |
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86 | #endif |
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87 | |
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88 | void ui_drawingarea_getsize(UIWIDGET drawingarea, int *width, int *height) { |
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89 | #if GTK_MAJOR_VERSION >= 4 |
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90 | *width = gtk_widget_get_width(drawingarea); |
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91 | *height = gtk_widget_get_height(drawingarea); |
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92 | #elif GTK_MAJOR_VERSION == 3 |
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93 | *width = gtk_widget_get_allocated_width(drawingarea); |
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94 | *height = gtk_widget_get_allocated_height(drawingarea); |
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95 | #else |
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96 | *width = drawingarea->allocation.width; |
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97 | *height = drawingarea->allocation.height; |
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98 | #endif |
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99 | } |
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100 | |
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101 | void ui_drawingarea_redraw(UIWIDGET drawingarea) { |
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102 | gtk_widget_queue_draw(drawingarea); |
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103 | } |
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104 | |
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105 | void ui_drawingarea_mousehandler(UiObject *obj, UIWIDGET widget, ui_callback f, void *u) { |
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106 | #if GTK_MAJOR_VERSION >= 4 |
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107 | // TODO |
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108 | #else |
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109 | gtk_widget_set_events(widget, GDK_BUTTON_PRESS_MASK); |
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110 | if(f) { |
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111 | UiEventData *event = malloc(sizeof(UiEventData)); |
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112 | event->obj = obj; |
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113 | event->callback = f; |
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114 | event->userdata = u; |
32 | 115 | event->customdata = NULL; |
116 | event->value = 0; | |
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117 | |
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118 | g_signal_connect(G_OBJECT(widget), |
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119 | "button-press-event", |
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120 | G_CALLBACK(widget_button_pressed), |
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121 | event); |
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122 | } else { |
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123 | // TODO: warning |
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124 | } |
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125 | #endif |
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126 | } |
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127 | |
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128 | |
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129 | // text layout |
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130 | UiTextLayout* ui_text(UiGraphics *g) { |
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131 | UiTextLayout *layout = malloc(sizeof(UiTextLayout)); |
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132 | PangoContext *pc = ui_get_pango_context(g); |
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133 | layout->layout = pango_layout_new(pc); |
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134 | return layout; |
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135 | } |
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136 | |
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137 | void ui_text_setstring(UiTextLayout *layout, char *str) { |
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138 | pango_layout_set_text(layout->layout, str, -1); |
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139 | } |
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140 | |
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141 | void ui_text_setstringl(UiTextLayout *layout, char *str, int len) { |
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142 | pango_layout_set_text(layout->layout, str, len); |
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143 | } |
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144 | |
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145 | void ui_text_setfont(UiTextLayout *layout, char *font, int size) { |
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146 | PangoFontDescription *fontDesc; |
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147 | fontDesc = pango_font_description_from_string(font); |
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148 | pango_font_description_set_size(fontDesc, size * PANGO_SCALE); |
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149 | pango_layout_set_font_description(layout->layout, fontDesc); |
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150 | pango_font_description_free(fontDesc); |
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151 | } |
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152 | |
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153 | void ui_text_getsize(UiTextLayout *layout, int *width, int *height) { |
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154 | pango_layout_get_size(layout->layout, width, height); |
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155 | *width = *width / PANGO_SCALE; |
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156 | *height = *height / PANGO_SCALE; |
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157 | } |
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158 | |
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159 | void ui_text_setwidth(UiTextLayout *layout, int width) { |
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160 | pango_layout_set_width(layout->layout, width * PANGO_SCALE); |
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161 | pango_layout_set_ellipsize(layout->layout, PANGO_ELLIPSIZE_END); |
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162 | //pango_layout_set_wrap(layout->layout, PANGO_WRAP_WORD_CHAR); |
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163 | } |
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164 | |
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165 | void ui_text_free(UiTextLayout *text) { |
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166 | g_object_unref(text->layout); |
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167 | free(text); |
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168 | } |