comparison: ui/motif/graphics.c
ui/motif/graphics.c
- changeset 96
- 93785a7bda56
- child 97
- 1a786201465f
equal
deleted
inserted
replaced
| 95:29f5cd5f5367 | 96:93785a7bda56 |
|---|---|
| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2015 Olaf Wintermann. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #include <stdio.h> | |
| 30 #include <stdlib.h> | |
| 31 | |
| 32 #include "graphics.h" | |
| 33 | |
| 34 #include "container.h" | |
| 35 | |
| 36 static void ui_drawingarea_expose(Widget widget, XtPointer u, XtPointer c) { | |
| 37 UiDrawEvent *drawevent = u; | |
| 38 XmDrawingAreaCallbackStruct *cbs = (XmDrawingAreaCallbackStruct *)c; | |
| 39 XEvent *event = cbs->event; | |
| 40 Display *dpy = XtDisplay(widget); | |
| 41 | |
| 42 UiEvent ev; | |
| 43 ev.obj = drawevent->obj; | |
| 44 ev.window = drawevent->obj->window; | |
| 45 ev.document = drawevent->obj->ctx->document; | |
| 46 | |
| 47 XtVaGetValues( | |
| 48 widget, | |
| 49 XmNwidth, | |
| 50 &drawevent->gr.g.width, | |
| 51 XmNheight, | |
| 52 &drawevent->gr.g.height, | |
| 53 NULL); | |
| 54 | |
| 55 XGCValues gcvals; | |
| 56 gcvals.foreground = BlackPixelOfScreen(XtScreen(widget)); | |
| 57 drawevent->gr.gc = XCreateGC(dpy, XtWindow(widget), (GCForeground), &gcvals); | |
| 58 | |
| 59 drawevent->callback(&ev, &drawevent->gr.g, drawevent->userdata); | |
| 60 } | |
| 61 | |
| 62 UIWIDGET ui_drawingarea(UiObject *obj, ui_drawfunc f, void *userdata) { | |
| 63 UiContainer *ct = uic_get_current_container(obj); | |
| 64 | |
| 65 int n = 0; | |
| 66 Arg args[16]; | |
| 67 | |
| 68 Widget parent = ct->prepare(ct, args, &n, TRUE); | |
| 69 Widget drawingarea = XmCreateDrawingArea(parent, "drawingarea", args, n); | |
| 70 | |
| 71 if(f) { | |
| 72 UiDrawEvent *event = malloc(sizeof(UiDrawEvent)); | |
| 73 event->obj = obj; | |
| 74 event->callback = f; | |
| 75 event->userdata = userdata; | |
| 76 | |
| 77 event->gr.display = XtDisplay(drawingarea); | |
| 78 event->gr.widget = drawingarea; | |
| 79 | |
| 80 Colormap colormap; | |
| 81 XtVaGetValues(drawingarea, XmNcolormap, &colormap, NULL); | |
| 82 event->gr.colormap = colormap; | |
| 83 | |
| 84 XtAddCallback( | |
| 85 drawingarea, | |
| 86 XmNexposeCallback, | |
| 87 ui_drawingarea_expose, | |
| 88 event); | |
| 89 } | |
| 90 | |
| 91 XtManageChild(drawingarea); | |
| 92 return drawingarea; | |
| 93 } | |
| 94 | |
| 95 | |
| 96 /* -------------------- text layout functions -------------------- */ | |
| 97 UiTextLayout* ui_text(UiGraphics *g) { | |
| 98 UiTextLayout *text = malloc(sizeof(UiTextLayout)); | |
| 99 text->text = NULL; | |
| 100 text->length = 0; | |
| 101 text->widget = ((UiXlibGraphics*)g)->widget; | |
| 102 text->fontset = NULL; | |
| 103 return text; | |
| 104 } | |
| 105 | |
| 106 static void create_default_fontset(UiTextLayout *layout) { | |
| 107 char **missing = NULL; | |
| 108 int num_missing = 0; | |
| 109 char *def = NULL; | |
| 110 Display *dpy = XtDisplay(layout->widget); | |
| 111 XFontSet fs = XCreateFontSet( | |
| 112 dpy, | |
| 113 "-dt-interface system-medium-r-normal-s*utf*:," | |
| 114 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-1," | |
| 115 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-10," | |
| 116 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-15," | |
| 117 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-2," | |
| 118 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-3," | |
| 119 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-4," | |
| 120 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-5," | |
| 121 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-iso8859-9," | |
| 122 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-koi8-e," | |
| 123 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-koi8-r," | |
| 124 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-koi8-ru," | |
| 125 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-koi8-u," | |
| 126 "-misc-liberation sans-medium-r-normal--0-0-0-0-p-0-koi8-uni," | |
| 127 "-misc-fixed-medium-r-normal--14-130-75-75-c-140-jisx0208", | |
| 128 &missing, &num_missing, &def); | |
| 129 layout->fontset = fs; | |
| 130 } | |
| 131 | |
| 132 void ui_text_free(UiTextLayout *text) { | |
| 133 // TODO | |
| 134 } | |
| 135 | |
| 136 void ui_text_setstring(UiTextLayout *layout, char *str) { | |
| 137 layout->text = str; | |
| 138 layout->length = strlen(str); | |
| 139 } | |
| 140 | |
| 141 void ui_text_setstringl(UiTextLayout *layout, char *str, int len) { | |
| 142 layout->text = str; | |
| 143 layout->length = len; | |
| 144 } | |
| 145 | |
| 146 void ui_text_setfont(UiTextLayout *layout, char *font, int size) { | |
| 147 create_default_fontset(layout);//TODO | |
| 148 } | |
| 149 | |
| 150 void ui_text_getsize(UiTextLayout *layout, int *width, int *height) { | |
| 151 // TODO | |
| 152 } | |
| 153 | |
| 154 void ui_text_setwidth(UiTextLayout *layout, int width) { | |
| 155 // TODO | |
| 156 } | |
| 157 | |
| 158 | |
| 159 /* -------------------- drawing functions -------------------- */ | |
| 160 | |
| 161 void ui_graphics_color(UiGraphics *g, int red, int green, int blue) { | |
| 162 UiXlibGraphics *gr = (UiXlibGraphics*)g; | |
| 163 XColor color; | |
| 164 color.flags= DoRed | DoGreen | DoBlue; | |
| 165 color.red = red * 257; | |
| 166 color.green = green * 257; | |
| 167 color.blue = blue * 257; | |
| 168 XAllocColor(gr->display, gr->colormap, &color); | |
| 169 XSetForeground(gr->display, gr->gc, color.pixel); | |
| 170 } | |
| 171 | |
| 172 void ui_draw_rect(UiGraphics *g, int x, int y, int w, int h, int fill) { | |
| 173 UiXlibGraphics *gr = (UiXlibGraphics*)g; | |
| 174 if(fill) { | |
| 175 XFillRectangle(gr->display, XtWindow(gr->widget), gr->gc, x, y, w, h); | |
| 176 } else { | |
| 177 XDrawRectangle(gr->display, XtWindow(gr->widget), gr->gc, x, y, w, h); | |
| 178 } | |
| 179 } | |
| 180 | |
| 181 void ui_draw_text(UiGraphics *g, int x, int y, UiTextLayout *text) { | |
| 182 UiXlibGraphics *gr = (UiXlibGraphics*)g; | |
| 183 XmbDrawString( | |
| 184 gr->display, | |
| 185 XtWindow(gr->widget), | |
| 186 text->fontset, | |
| 187 gr->gc, | |
| 188 x, | |
| 189 y, | |
| 190 text->text, | |
| 191 text->length); | |
| 192 } |
