Tue, 29 Oct 2024 17:51:02 +0100
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 2015 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 <X11/Intrinsic.h> |
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32 | #include <X11/IntrinsicP.h> |
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33 | |
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34 | #include "graphics.h" |
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35 | |
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36 | #include "container.h" |
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37 | |
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38 | static void ui_drawingarea_expose(Widget widget, XtPointer u, XtPointer c) { |
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39 | UiDrawEvent *drawevent = u; |
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40 | //XmDrawingAreaCallbackStruct *cbs = (XmDrawingAreaCallbackStruct *)c; |
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41 | //XEvent *event = cbs->event; |
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42 | Display *dpy = XtDisplay(widget); |
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43 | |
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44 | UiEvent ev; |
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45 | ev.obj = drawevent->obj; |
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46 | ev.window = drawevent->obj->window; |
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47 | ev.document = drawevent->obj->ctx->document; |
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48 | ev.eventdata = NULL; |
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49 | ev.intval = 0; |
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50 | |
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51 | XtVaGetValues( |
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52 | widget, |
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53 | XmNwidth, |
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54 | &drawevent->gr.g.width, |
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55 | XmNheight, |
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56 | &drawevent->gr.g.height, |
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57 | NULL); |
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58 | |
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59 | XGCValues gcvals; |
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60 | gcvals.foreground = BlackPixelOfScreen(XtScreen(widget)); |
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61 | drawevent->gr.gc = XCreateGC(dpy, XtWindow(widget), (GCForeground), &gcvals); |
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62 | |
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63 | drawevent->callback(&ev, &drawevent->gr.g, drawevent->userdata); |
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64 | } |
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65 | |
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66 | UIWIDGET ui_drawingarea(UiObject *obj, ui_drawfunc f, void *userdata) { |
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67 | UiContainer *ct = uic_get_current_container(obj); |
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68 | |
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69 | int n = 0; |
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70 | Arg args[16]; |
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71 | |
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72 | Widget parent = ct->prepare(ct, args, &n, TRUE); |
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73 | Widget drawingarea = XmCreateDrawingArea(parent, "drawingarea", args, n); |
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74 | |
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75 | if(f) { |
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76 | UiDrawEvent *event = malloc(sizeof(UiDrawEvent)); |
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77 | event->obj = obj; |
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78 | event->callback = f; |
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79 | event->userdata = userdata; |
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80 | |
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81 | event->gr.display = XtDisplay(drawingarea); |
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82 | event->gr.widget = drawingarea; |
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83 | |
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84 | Colormap colormap; |
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85 | XtVaGetValues(drawingarea, XmNcolormap, &colormap, NULL); |
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86 | event->gr.colormap = colormap; |
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87 | |
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88 | XtAddCallback( |
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89 | drawingarea, |
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90 | XmNexposeCallback, |
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91 | ui_drawingarea_expose, |
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92 | event); |
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93 | |
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94 | XtVaSetValues(drawingarea, XmNuserData, event, NULL); |
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95 | } |
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96 | |
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97 | XtManageChild(drawingarea); |
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98 | return drawingarea; |
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99 | } |
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100 | |
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101 | static void ui_drawingarea_input(Widget widget, XtPointer u, XtPointer c) { |
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102 | XmDrawingAreaCallbackStruct *cbs = (XmDrawingAreaCallbackStruct*)c; |
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103 | XEvent *xevent = cbs->event; |
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104 | UiMouseEventData *event = u; |
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105 | |
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106 | if (cbs->reason == XmCR_INPUT) { |
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107 | if (xevent->xany.type == ButtonPress) { |
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108 | UiMouseEvent me; |
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109 | me.x = xevent->xbutton.x; |
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110 | me.y = xevent->xbutton.y; |
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111 | // TODO: configurable double click time |
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112 | me.type = xevent->xbutton.time - event->last_event > 300 ? UI_PRESS : UI_PRESS2; |
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113 | |
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114 | UiEvent e; |
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115 | e.obj = event->obj; |
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116 | e.window = event->obj->window; |
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117 | e.document = event->obj->ctx->document; |
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118 | e.eventdata = &me; |
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119 | e.intval = 0; |
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120 | event->callback(&e, event->userdata); |
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121 | |
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122 | |
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123 | event->last_event = me.type == UI_PRESS2 ? 0 : xevent->xbutton.time; |
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124 | } |
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125 | } |
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126 | |
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127 | } |
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128 | |
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129 | void ui_drawingarea_mousehandler(UiObject *obj, UIWIDGET widget, ui_callback f, void *u) { |
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130 | if(f) { |
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131 | UiMouseEventData *event = malloc(sizeof(UiMouseEventData)); |
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132 | event->obj = obj; |
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133 | event->callback = f; |
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134 | event->userdata = u; |
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135 | event->last_event = 0; |
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136 | |
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137 | XtAddCallback(widget, XmNinputCallback, ui_drawingarea_input, event); |
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138 | } |
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139 | } |
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140 | |
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141 | void ui_drawingarea_getsize(UIWIDGET drawingarea, int *width, int *height) { |
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142 | XtVaGetValues( |
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143 | drawingarea, |
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144 | XmNwidth, |
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145 | width, |
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146 | XmNheight, |
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147 | height, |
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148 | NULL); |
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149 | } |
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150 | |
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151 | void ui_drawingarea_redraw(UIWIDGET drawingarea) { |
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152 | //XClearArea(XtDisplay(drawingarea), drawingarea->core.window, 0, 0, drawingarea->core.width, drawingarea->core.height, True); |
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153 | UiDrawEvent *event; |
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154 | XtVaGetValues(drawingarea, XmNuserData, &event, NULL); |
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155 | ui_drawingarea_expose(drawingarea, event, NULL); |
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156 | } |
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157 | |
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158 | |
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159 | /* -------------------- text layout functions -------------------- */ |
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160 | UiTextLayout* ui_text(UiGraphics *g) { |
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161 | UiTextLayout *text = malloc(sizeof(UiTextLayout)); |
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162 | memset(text, 0, sizeof(UiTextLayout)); |
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163 | text->text = NULL; |
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164 | text->length = 0; |
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165 | text->widget = ((UiXlibGraphics*)g)->widget; |
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166 | text->fontset = NULL; |
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167 | return text; |
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168 | } |
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169 | |
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170 | static void create_default_fontset(UiTextLayout *layout) { |
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171 | char **missing = NULL; |
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172 | int num_missing = 0; |
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173 | char *def = NULL; |
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174 | Display *dpy = XtDisplay(layout->widget); |
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175 | XFontSet fs = XCreateFontSet( |
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176 | dpy, |
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177 | "-dt-interface system-medium-r-normal-s*utf*:," |
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178 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-1," |
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179 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-10," |
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180 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-15," |
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181 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-2," |
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182 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-3," |
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183 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-4," |
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184 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-5," |
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185 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-9," |
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186 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-koi8-e," |
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187 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-koi8-r," |
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188 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-koi8-ru," |
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189 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-koi8-u," |
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190 | "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-koi8-uni," |
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191 | "-misc-fixed-medium-r-normal--14-130-75-75-c-140-jisx0208", |
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192 | &missing, &num_missing, &def); |
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193 | layout->fontset = fs; |
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194 | } |
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195 | |
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196 | void ui_text_free(UiTextLayout *text) { |
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197 | // TODO |
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198 | } |
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199 | |
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200 | void ui_text_setstring(UiTextLayout *layout, char *str) { |
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201 | ui_text_setstringl(layout, str, strlen(str)); |
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202 | } |
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203 | |
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204 | void ui_text_setstringl(UiTextLayout *layout, char *str, int len) { |
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205 | layout->text = str; |
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206 | layout->length = len; |
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207 | layout->changed = 1; |
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208 | } |
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209 | |
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210 | void ui_text_setfont(UiTextLayout *layout, char *font, int size) { |
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211 | create_default_fontset(layout);//TODO |
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212 | layout->changed = 1; |
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213 | } |
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214 | |
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215 | void ui_text_getsize(UiTextLayout *layout, int *width, int *height) { |
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216 | if(layout->changed) { |
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217 | XRectangle ext, lext; |
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218 | XmbTextExtents(layout->fontset, layout->text, layout->length, &ext, &lext); |
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219 | layout->width = ext.width; |
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220 | layout->height = ext.height; |
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221 | layout->changed = 0; |
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222 | } |
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223 | *width = layout->width; |
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224 | *height = layout->height; |
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225 | } |
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226 | |
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227 | void ui_text_setwidth(UiTextLayout *layout, int width) { |
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228 | layout->maxwidth = width; |
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229 | } |
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230 | |
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231 | |
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232 | /* -------------------- drawing functions -------------------- */ |
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233 | |
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234 | void ui_graphics_color(UiGraphics *g, int red, int green, int blue) { |
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235 | UiXlibGraphics *gr = (UiXlibGraphics*)g; |
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236 | XColor color; |
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237 | color.flags= DoRed | DoGreen | DoBlue; |
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238 | color.red = red * 257; |
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239 | color.green = green * 257; |
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240 | color.blue = blue * 257; |
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241 | XAllocColor(gr->display, gr->colormap, &color); |
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242 | XSetForeground(gr->display, gr->gc, color.pixel); |
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243 | } |
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244 | |
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245 | void ui_draw_line(UiGraphics *g, int x1, int y1, int x2, int y2) { |
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246 | UiXlibGraphics *gr = (UiXlibGraphics*)g; |
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247 | XDrawLine(gr->display, XtWindow(gr->widget), gr->gc, x1, y1, x2, y2); |
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248 | } |
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249 | |
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250 | void ui_draw_rect(UiGraphics *g, int x, int y, int w, int h, int fill) { |
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251 | UiXlibGraphics *gr = (UiXlibGraphics*)g; |
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252 | if(fill) { |
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253 | XFillRectangle(gr->display, XtWindow(gr->widget), gr->gc, x, y, w, h); |
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254 | } else { |
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255 | XDrawRectangle(gr->display, XtWindow(gr->widget), gr->gc, x, y, w, h); |
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256 | } |
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257 | } |
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258 | |
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259 | void ui_draw_text(UiGraphics *g, int x, int y, UiTextLayout *text) { |
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260 | UiXlibGraphics *gr = (UiXlibGraphics*)g; |
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261 | int width, height; |
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262 | ui_text_getsize(text, &width, &height); |
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263 | if(text->maxwidth > 0) { |
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264 | XRectangle clip; |
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265 | clip.x = x; |
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266 | clip.y = y; |
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267 | clip.width = text->maxwidth; |
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268 | clip.height = height; |
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269 | XSetClipRectangles(gr->display, gr->gc, 0, 0, &clip, 1, Unsorted); |
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270 | } |
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271 | |
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272 | XmbDrawString( |
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273 | gr->display, |
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274 | XtWindow(gr->widget), |
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275 | text->fontset, |
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276 | gr->gc, |
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277 | x, |
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278 | y + height, |
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279 | text->text, |
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280 | text->length); |
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281 | |
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282 | XSetClipMask(gr->display, gr->gc, None); |
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283 | } |