mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-18 18:23:25 +03:00
138 lines
3.1 KiB
C
138 lines
3.1 KiB
C
/*
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* Copyright 2010 Vincent Sanders <vince@simtec.co.uk>
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*
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* Framebuffer windowing toolkit bitmaped image widget
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdbool.h>
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#include <stdlib.h>
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#include <libnsfb.h>
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#include <libnsfb_plot.h>
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#include "desktop/browser.h"
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#include "framebuffer/gui.h"
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#include "framebuffer/fbtk.h"
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#include "framebuffer/bitmap.h"
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#include "framebuffer/image_data.h"
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#include "widget.h"
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static int
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fb_redraw_bitmap(fbtk_widget_t *widget, fbtk_callback_info *cbi)
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{
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nsfb_bbox_t bbox;
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nsfb_bbox_t rect;
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nsfb_t *nsfb;
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nsfb = fbtk_get_nsfb(widget);
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fbtk_get_bbox(widget, &bbox);
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rect = bbox;
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nsfb_claim(nsfb, &bbox);
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/* clear background */
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if ((widget->bg & 0xFF000000) != 0) {
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/* transparent polygon filling isnt working so fake it */
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nsfb_plot_rectangle_fill(nsfb, &bbox, widget->bg);
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}
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/* plot the image */
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nsfb_plot_bitmap(nsfb,
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&rect,
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(nsfb_colour_t *)widget->u.bitmap.bitmap->pixdata,
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widget->u.bitmap.bitmap->width,
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widget->u.bitmap.bitmap->height,
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widget->u.bitmap.bitmap->width,
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!widget->u.bitmap.bitmap->opaque);
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nsfb_update(nsfb, &bbox);
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return 0;
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}
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/* exported function documented in fbtk.h */
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void
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fbtk_set_bitmap(fbtk_widget_t *widget, struct bitmap *image)
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{
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if ((widget == NULL) || (widget->type != FB_WIDGET_TYPE_BITMAP))
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return;
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widget->u.bitmap.bitmap = image;
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fbtk_request_redraw(widget);
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}
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/* exported function documented in fbtk.h */
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fbtk_widget_t *
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fbtk_create_bitmap(fbtk_widget_t *parent,
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int x,
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int y,
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int width,
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int height,
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colour c,
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struct bitmap *image)
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{
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fbtk_widget_t *neww;
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neww = fbtk_widget_new(parent, FB_WIDGET_TYPE_BITMAP, x, y, width, height);
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neww->bg = c;
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neww->mapped = true;
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neww->u.bitmap.bitmap = image;
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fbtk_set_handler(neww, FBTK_CBT_REDRAW, fb_redraw_bitmap, NULL);
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return neww;
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}
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/* exported function documented in fbtk.h */
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fbtk_widget_t *
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fbtk_create_button(fbtk_widget_t *parent,
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int x,
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int y,
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int width,
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int height,
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colour c,
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struct bitmap *image,
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fbtk_callback click,
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void *pw)
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{
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fbtk_widget_t *neww;
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neww = fbtk_widget_new(parent, FB_WIDGET_TYPE_BITMAP, x, y, width, height);
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neww->bg = c;
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neww->mapped = true;
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neww->u.bitmap.bitmap = image;
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fbtk_set_handler(neww, FBTK_CBT_REDRAW, fb_redraw_bitmap, NULL);
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fbtk_set_handler(neww, FBTK_CBT_CLICK, click, pw);
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fbtk_set_handler(neww, FBTK_CBT_POINTERENTER, fbtk_set_ptr, &hand_image);
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return neww;
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}
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/*
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* Local Variables:
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* c-basic-offset:8
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* End:
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*/
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