diff -r d51e334c1439 -r 29f5cd5f5367 ui/gtk/draw_gdk.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ui/gtk/draw_gdk.c Sun Nov 29 17:22:15 2015 +0100 @@ -0,0 +1,89 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2011 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 +#include + +#include "container.h" + +#include "draw_gdk.h" + + +gboolean ui_drawingarea_expose(GtkWidget *w, GdkEventExpose *e, void *data) { + UiGdkGraphics g; + g.g.width = w->allocation.width; + g.g.height = w->allocation.height; + g.widget = w; + g.gc = gdk_gc_new(w->window); + + UiDrawEvent *event = data; + UiEvent ev; + ev.obj = event->obj; + ev.window = event->obj->window; + ev.document = event->obj->ctx->document; + + event->callback(&ev, &g.g, event->userdata); + + return FALSE; +} + +// function from graphics.h + +void ui_connect_draw_handler(GtkWidget *widget, UiDrawEvent *event) { + g_signal_connect(G_OBJECT(widget), + "expose_event", + G_CALLBACK(ui_drawingarea_expose), + event); +} + +PangoContext *ui_get_pango_context(UiGraphics *g) { + UiGdkGraphics *gr = (UiGdkGraphics*)g; + return gtk_widget_get_pango_context(gr->widget); +} + +// drawing functions +void ui_graphics_color(UiGraphics *g, int red, int green, int blue) { + UiGdkGraphics *gr = (UiGdkGraphics*)g; + GdkColor color; + color.red = red * 257; + color.green = green * 257; + color.blue = blue * 257; + gdk_gc_set_rgb_fg_color(gr->gc, &color); + //gdk_gc_set_rgb_bg_color(g->gc, &color); +} + + +void ui_draw_rect(UiGraphics *g, int x, int y, int w, int h, int fill) { + UiGdkGraphics *gr = (UiGdkGraphics*)g; + gdk_draw_rectangle(gr->widget->window, gr->gc, fill, x, y, w, h); +} + +void ui_draw_text(UiGraphics *g, int x, int y, UiTextLayout *text) { + UiGdkGraphics *gr = (UiGdkGraphics*)g; + gdk_draw_layout(gr->widget->window, gr->gc, x, y, text->layout); +}