Makefile- button.c
- button.h
- container.c
- container.h
- display.c
- display.h
- dnd.c
- dnd.h
- draw_cairo.c
- draw_cairo.h
- draw_gdk.c
- draw_gdk.h
- entry.c
- entry.h
- graphics.c
- graphics.h
- image.c
- image.h
- menu.c
- menu.h
- model.c
- model.h
- objs.mk
- range.c
- range.h
- text.c
- text.h
- toolbar.c
- toolbar.h
- toolkit.c
- toolkit.h
- tree.c
- tree.h
- window.c
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2017 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 "container.h"
33
34 #include "draw_gdk.h"
35
36
37 gboolean ui_drawingarea_expose(GtkWidget *w, GdkEventExpose *e, void *data) {
38 UiGdkGraphics g;
39 g.g.width = w->allocation.width;
40 g.g.height = w->allocation.height;
41 g.widget = w;
42 g.gc = gdk_gc_new(w->window);
43
44 UiDrawEvent *event = data;
45 UiEvent ev;
46 ev.obj = event->obj;
47 ev.window = event->obj->window;
48 ev.document = event->obj->ctx->document;
49
50 event->callback(&ev, &g.g, event->userdata);
51
52 return FALSE;
53 }
54
55 // function from graphics.h
56
57 void ui_connect_draw_handler(GtkWidget *widget, UiDrawEvent *event) {
58 g_signal_connect(G_OBJECT(widget),
59 "expose_event",
60 G_CALLBACK(ui_drawingarea_expose),
61 event);
62 }
63
64 PangoContext *ui_get_pango_context(UiGraphics *g) {
65 UiGdkGraphics *gr = (UiGdkGraphics*)g;
66 return gtk_widget_get_pango_context(gr->widget);
67 }
68
69 // drawing functions
70 void ui_graphics_color(UiGraphics *g, int red, int green, int blue) {
71 UiGdkGraphics *gr = (UiGdkGraphics*)g;
72 GdkColor color;
73 color.red = red * 257;
74 color.green = green * 257;
75 color.blue = blue * 257;
76 gdk_gc_set_rgb_fg_color(gr->gc, &color);
77 //gdk_gc_set_rgb_bg_color(g->gc, &color);
78 }
79
80 void ui_draw_line(UiGraphics *g, int x1, int y1, int x2, int y2) {
81 UiGdkGraphics *gr = (UiGdkGraphics*)g;
82 gdk_draw_line(gr->widget->window, gr->gc, x1, y1, x2, y2);
83 }
84
85 void ui_draw_rect(UiGraphics *g, int x, int y, int w, int h, int fill) {
86 UiGdkGraphics *gr = (UiGdkGraphics*)g;
87 gdk_draw_rectangle(gr->widget->window, gr->gc, fill, x, y, w, h);
88 }
89
90 void ui_draw_text(UiGraphics *g, int x, int y, UiTextLayout *text) {
91 UiGdkGraphics *gr = (UiGdkGraphics*)g;
92 gdk_draw_layout(gr->widget->window, gr->gc, x, y, text->layout);
93 }
94