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 "graphics.h"
33 #include "container.h"
34 #include "../common/object.h"
35
36 UIWIDGET ui_drawingarea(UiObject *obj, ui_drawfunc f, void *userdata) {
37 GtkWidget *widget = gtk_drawing_area_new();
38
39 if(f) {
40 UiDrawEvent *event = malloc(sizeof(UiDrawEvent));
41 event->obj = obj;
42 event->callback = f;
43 event->userdata = userdata;
44 ui_connect_draw_handler(widget, event);
45 }
46
47 UiContainer *ct = uic_get_current_container(obj);
48 ct->add(ct, widget, TRUE);
49
50 return widget;
51 }
52
53
54 static gboolean widget_button_pressed(
55 GtkWidget *widget,
56 GdkEvent *event,
57 gpointer userdata)
58 {
59 UiEventData *eventdata = userdata;
60
61 UiMouseEvent me;
62 me.x = (int)event->button.x;
63 me.y = (int)event->button.y;
64
65 int exec = 0;
66 if(event->button.type == GDK_BUTTON_PRESS) {
67 exec = 1;
68 me.type = UI_PRESS;
69 } else if(event->button.type == GDK_2BUTTON_PRESS) {
70 exec = 1;
71 me.type = UI_PRESS2;
72 }
73
74 if(exec) {
75 UiEvent e;
76 e.obj = eventdata->obj;
77 e.window = eventdata->obj->window;
78 e.document = eventdata->obj->ctx->document;
79 e.eventdata = &me;
80 e.intval = 0;
81 eventdata->callback(&e, eventdata->userdata);
82 }
83 return TRUE;
84 }
85
86 void ui_drawingarea_getsize(UIWIDGET drawingarea, int *width, int *height) {
87 #ifdef UI_GTK3
88 *width = gtk_widget_get_allocated_width(drawingarea);
89 *height = gtk_widget_get_allocated_height(drawingarea);
90 #else
91 *width = drawingarea->allocation.width;
92 *height = drawingarea->allocation.height;
93 #endif
94 }
95
96 void ui_drawingarea_redraw(UIWIDGET drawingarea) {
97 gtk_widget_queue_draw(drawingarea);
98 }
99
100 void ui_drawingarea_mousehandler(UiObject *obj, UIWIDGET widget, ui_callback f, void *u) {
101 gtk_widget_set_events(widget, GDK_BUTTON_PRESS_MASK);
102 if(f) {
103 UiEventData *event = malloc(sizeof(UiEventData));
104 event->obj = obj;
105 event->callback = f;
106 event->userdata = u;
107
108 g_signal_connect(G_OBJECT(widget),
109 "button-press-event",
110 G_CALLBACK(widget_button_pressed),
111 event);
112 } else {
113 // TODO: warning
114 }
115 }
116
117
118 // text layout
119 UiTextLayout* ui_text(UiGraphics *g) {
120 UiTextLayout *layout = malloc(sizeof(UiTextLayout));
121 PangoContext *pc = ui_get_pango_context(g);
122 layout->layout = pango_layout_new(pc);
123 return layout;
124 }
125
126 void ui_text_setstring(UiTextLayout *layout, char *str) {
127 pango_layout_set_text(layout->layout, str, -1);
128 }
129
130 void ui_text_setstringl(UiTextLayout *layout, char *str, int len) {
131 pango_layout_set_text(layout->layout, str, len);
132 }
133
134 void ui_text_setfont(UiTextLayout *layout, char *font, int size) {
135 PangoFontDescription *fontDesc;
136 fontDesc = pango_font_description_from_string(font);
137 pango_font_description_set_size(fontDesc, size * PANGO_SCALE);
138 pango_layout_set_font_description(layout->layout, fontDesc);
139 pango_font_description_free(fontDesc);
140 }
141
142 void ui_text_getsize(UiTextLayout *layout, int *width, int *height) {
143 pango_layout_get_size(layout->layout, width, height);
144 *width = *width / PANGO_SCALE;
145 *height = *height / PANGO_SCALE;
146 }
147
148 void ui_text_setwidth(UiTextLayout *layout, int width) {
149 pango_layout_set_width(layout->layout, width * PANGO_SCALE);
150 pango_layout_set_ellipsize(layout->layout, PANGO_ELLIPSIZE_END);
151 //pango_layout_set_wrap(layout->layout, PANGO_WRAP_WORD_CHAR);
152 }
153
154 void ui_text_free(UiTextLayout *text) {
155 g_object_unref(text->layout);
156 free(text);
157 }
158