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
- headerbar.c
- headerbar.h
- icon.c
- icon.h
- image.c
- image.h
- list.c
- list.h
- menu.c
- menu.h
- objs.mk
- range.c
- range.h
- text.c
- text.h
- toolbar.c
- toolbar.h
- toolkit.c
- toolkit.h
- window.c
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2017 Olaf Wintermann. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include "graphics.h"
#include "container.h"
#include "../common/object.h"
UIWIDGET ui_drawingarea(UiObject *obj, ui_drawfunc f, void *userdata) {
GtkWidget *widget = gtk_drawing_area_new();
if(f) {
UiDrawEvent *event = malloc(sizeof(UiDrawEvent));
event->obj = obj;
event->callback = f;
event->userdata = userdata;
ui_connect_draw_handler(widget, event);
}
UiContainer *ct = uic_get_current_container(obj);
ct->add(ct, widget, TRUE);
return widget;
}
#if GTK_MAJOR_VERSION <= 3
static gboolean widget_button_pressed(
GtkWidget *widget,
GdkEvent *event,
gpointer userdata)
{
UiEventData *eventdata = userdata;
UiMouseEvent me;
me.x = (int)event->button.x;
me.y = (int)event->button.y;
int exec = 0;
if(event->button.type == GDK_BUTTON_PRESS) {
exec = 1;
me.type = UI_PRESS;
} else if(event->button.type == GDK_2BUTTON_PRESS) {
exec = 1;
me.type = UI_PRESS2;
}
if(exec) {
UiEvent e;
e.obj = eventdata->obj;
e.window = eventdata->obj->window;
e.document = eventdata->obj->ctx->document;
e.eventdata = &me;
e.intval = 0;
eventdata->callback(&e, eventdata->userdata);
}
return TRUE;
}
#endif
void ui_drawingarea_getsize(UIWIDGET drawingarea, int *width, int *height) {
#if GTK_MAJOR_VERSION >= 4
*width = gtk_widget_get_width(drawingarea);
*height = gtk_widget_get_height(drawingarea);
#elif GTK_MAJOR_VERSION == 3
*width = gtk_widget_get_allocated_width(drawingarea);
*height = gtk_widget_get_allocated_height(drawingarea);
#else
*width = drawingarea->allocation.width;
*height = drawingarea->allocation.height;
#endif
}
void ui_drawingarea_redraw(UIWIDGET drawingarea) {
gtk_widget_queue_draw(drawingarea);
}
void ui_drawingarea_mousehandler(UiObject *obj, UIWIDGET widget, ui_callback f, void *u) {
#if GTK_MAJOR_VERSION >= 4
// TODO
#else
gtk_widget_set_events(widget, GDK_BUTTON_PRESS_MASK);
if(f) {
UiEventData *event = malloc(sizeof(UiEventData));
event->obj = obj;
event->callback = f;
event->userdata = u;
event->customdata = NULL;
event->value = 0;
g_signal_connect(G_OBJECT(widget),
"button-press-event",
G_CALLBACK(widget_button_pressed),
event);
} else {
// TODO: warning
}
#endif
}
// text layout
UiTextLayout* ui_text(UiGraphics *g) {
UiTextLayout *layout = malloc(sizeof(UiTextLayout));
PangoContext *pc = ui_get_pango_context(g);
layout->layout = pango_layout_new(pc);
return layout;
}
void ui_text_setstring(UiTextLayout *layout, char *str) {
pango_layout_set_text(layout->layout, str, -1);
}
void ui_text_setstringl(UiTextLayout *layout, char *str, int len) {
pango_layout_set_text(layout->layout, str, len);
}
void ui_text_setfont(UiTextLayout *layout, char *font, int size) {
PangoFontDescription *fontDesc;
fontDesc = pango_font_description_from_string(font);
pango_font_description_set_size(fontDesc, size * PANGO_SCALE);
pango_layout_set_font_description(layout->layout, fontDesc);
pango_font_description_free(fontDesc);
}
void ui_text_getsize(UiTextLayout *layout, int *width, int *height) {
pango_layout_get_size(layout->layout, width, height);
*width = *width / PANGO_SCALE;
*height = *height / PANGO_SCALE;
}
void ui_text_setwidth(UiTextLayout *layout, int width) {
pango_layout_set_width(layout->layout, width * PANGO_SCALE);
pango_layout_set_ellipsize(layout->layout, PANGO_ELLIPSIZE_END);
//pango_layout_set_wrap(layout->layout, PANGO_WRAP_WORD_CHAR);
}
void ui_text_free(UiTextLayout *text) {
g_object_unref(text->layout);
free(text);
}