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sourcerer |
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/* |
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* Copyright 2010 Vincent Sanders |
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* |
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* Framebuffer windowing toolkit scrollbar widgets |
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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 . |
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*/ |
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#include |
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#include |
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#include |
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#include |
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#include |
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#include "utils/log.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/image_data.h" |
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#include "utils/log.h" |
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#include |
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#include "widget.h" |
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ashmew2 |
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#ifdef DBG |
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#undef DBG |
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#endif |
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//#define DBG(s) __menuet__debug_out(s) /* For the debug messages in BOARD */ |
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#define DBG(s) LOG((s)) /* So that we see debug in Netsurf's LOG files */ |
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sourcerer |
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/* Vertical scroll widget */ |
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static int |
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vscroll_redraw(fbtk_widget_t *widget, fbtk_callback_info *cbi) |
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{ |
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LOG(("REDRAW SCROLL")); |
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ashmew2 |
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//DBG("REDRAW SCROLL"); |
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sourcerer |
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int vscroll; |
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int vpos; |
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nsfb_bbox_t bbox; |
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nsfb_bbox_t rect; |
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LOG(("REDRAW SCROLL get rooot")); |
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ashmew2 |
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//DBG("REDRAW SCROLL get root"); |
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sourcerer |
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fbtk_widget_t *root = fbtk_get_root_widget(widget); |
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LOG(("REDRAW SCROLL get bbox")); |
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ashmew2 |
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//DBG("REDRAW SCROLL get bbox"); |
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sourcerer |
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fbtk_get_bbox(widget, &bbox); |
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LOG(("REDRAW SCROLL claim")); |
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ashmew2 |
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//DBG("REDRAW SCROLL claim"); |
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sourcerer |
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nsfb_claim(root->u.root.fb, &bbox); |
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rect = bbox; |
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/* background */ |
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//STUB |
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nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->bg); |
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/* scroll well */ |
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rect.x0 = bbox.x0 + 2; |
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rect.y0 = bbox.y0 + 1; |
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rect.x1 = bbox.x1 - 3; |
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rect.y1 = bbox.y1 - 2; |
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//STUB!!! |
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nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->fg); |
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nsfb_plot_rectangle(root->u.root.fb, &rect, 1, 0xFF999999, false, false); |
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LOG(("REDRAW SCROLL widg")); |
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ashmew2 |
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//DBG("REDRAW SCROLL widg"); |
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sourcerer |
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/* scroll bar */ |
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if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) { |
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vscroll = ((widget->height - 4) * widget->u.scroll.thumb) / |
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(widget->u.scroll.maximum - widget->u.scroll.minimum) ; |
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vpos = ((widget->height - 4) * widget->u.scroll.position) / |
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(widget->u.scroll.maximum - widget->u.scroll.minimum) ; |
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} else { |
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vscroll = (widget->height - 4); |
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vpos = 0; |
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} |
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rect.x0 = bbox.x0 + 5; |
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rect.y0 = bbox.y0 + 3 + vpos; |
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rect.x1 = bbox.x0 + widget->width - 5; |
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rect.y1 = bbox.y0 + vscroll + vpos; |
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//STUB!!! |
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nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->bg); |
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LOG(("REDRAW SCROLL upd")); |
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ashmew2 |
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//DBG("RED upd"); |
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sourcerer |
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//STUB |
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nsfb_update(root->u.root.fb, &bbox); //&bbox |
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return 0; |
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} |
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static int |
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vscroll_drag(fbtk_widget_t *widget, fbtk_callback_info *cbi) |
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{ |
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LOG(("REDRAG SCROLL")); |
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ashmew2 |
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//DBG("REDRAG SCROLL"); |
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sourcerer |
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int newpos; |
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fbtk_widget_t *scrollw = cbi->context; |
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newpos = ((widget->u.scroll.drag_position + |
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(cbi->y - widget->u.scroll.drag)) * |
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(widget->u.scroll.maximum - widget->u.scroll.minimum)) / |
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(widget->height - 4); |
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if (newpos < scrollw->u.scroll.minimum) |
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newpos = scrollw->u.scroll.minimum; |
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if (newpos > (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb )) |
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newpos = (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb); |
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if (newpos == scrollw->u.scroll.position) |
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return 0; |
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return fbtk_post_callback(widget, FBTK_CBT_SCROLLY, newpos); |
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} |
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static int |
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vscrollu_click(fbtk_widget_t *widget, fbtk_callback_info *cbi) |
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{ |
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LOG(("REDRAW Ck SCROLL")); |
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ashmew2 |
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//DBG("REDRAW Ck SCROLL"); |
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sourcerer |
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int newpos; |
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fbtk_widget_t *scrollw = cbi->context; |
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if (cbi->event->type != NSFB_EVENT_KEY_DOWN) |
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return 0; |
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newpos = scrollw->u.scroll.position - scrollw->u.scroll.page; |
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if (newpos < scrollw->u.scroll.minimum) |
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newpos = scrollw->u.scroll.minimum; |
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if (newpos == scrollw->u.scroll.position) |
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return 0; |
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return fbtk_post_callback(scrollw, FBTK_CBT_SCROLLY, newpos); |
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} |
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static int |
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vscrolld_click(fbtk_widget_t *widget, fbtk_callback_info *cbi) |
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{ |
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LOG(("REDRAW SCROLL 2")); |
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ashmew2 |
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//DBG("REDRAW SCROLL 2"); |
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sourcerer |
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int newpos; |
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fbtk_widget_t *scrollw = cbi->context; |
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if (cbi->event->type != NSFB_EVENT_KEY_DOWN) |
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return 0; |
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newpos = scrollw->u.scroll.position + scrollw->u.scroll.page; |
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if (newpos > (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb )) |
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newpos = (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb); |
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if (newpos == scrollw->u.scroll.position) |
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return 0; |
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return fbtk_post_callback(scrollw, FBTK_CBT_SCROLLY, newpos); |
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} |
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static int |
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vscrollarea_click(fbtk_widget_t *widget, fbtk_callback_info *cbi) |
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{ |
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LOG(("REDRAW SCROLL 3")); |
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ashmew2 |
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//DBG("REDRAW SCROLL 3"); |
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sourcerer |
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int vscroll; |
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int vpos; |
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int newpos; |
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int ret = 0; |
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if (cbi->event->type != NSFB_EVENT_KEY_DOWN) { |
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/* end all drags, just in case */ |
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if (fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, NULL, NULL) != NULL) |
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fbtk_tgrab_pointer(widget); |
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return 0; |
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} |
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switch (cbi->event->value.keycode) { |
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case NSFB_KEY_MOUSE_4: |
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/* scroll up */ |
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newpos = widget->u.scroll.position - widget->u.scroll.page; |
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if (newpos < widget->u.scroll.minimum) |
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newpos = widget->u.scroll.minimum; |
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ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos); |
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break; |
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case NSFB_KEY_MOUSE_5: |
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/* scroll down */ |
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newpos = widget->u.scroll.position + widget->u.scroll.page; |
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if (newpos > widget->u.scroll.maximum) |
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newpos = widget->u.scroll.maximum; |
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ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos); |
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break; |
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default: |
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if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) { |
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vscroll = ((widget->height - 4) * widget->u.scroll.thumb) / |
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(widget->u.scroll.maximum - widget->u.scroll.minimum) ; |
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vpos = ((widget->height - 4) * widget->u.scroll.position) / |
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(widget->u.scroll.maximum - widget->u.scroll.minimum) ; |
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} else { |
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vscroll = (widget->height - 4); |
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vpos = 0; |
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} |
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if (cbi->y < vpos) { |
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/* above bar */ |
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newpos = widget->u.scroll.position - widget->u.scroll.thumb; |
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if (newpos < widget->u.scroll.minimum) |
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newpos = widget->u.scroll.minimum; |
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ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos); |
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} else if (cbi->y > (vpos + vscroll)) { |
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/* below bar */ |
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newpos = widget->u.scroll.position + widget->u.scroll.thumb; |
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if (newpos > widget->u.scroll.maximum) |
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newpos = widget->u.scroll.maximum; |
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ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos); |
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} else { |
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/* on bar - start drag */ |
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widget->u.scroll.drag = cbi->y; |
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widget->u.scroll.drag_position = vpos; |
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fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, vscroll_drag, widget); |
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fbtk_tgrab_pointer(widget); |
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} |
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} |
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return ret; |
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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_vscroll(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 fg, |
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colour bg, |
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fbtk_callback callback, |
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void *context) |
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{ |
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LOG(("REDRAW SCROLL 4")); |
| 5043 |
ashmew2 |
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//DBG("REDRAW SCROLL 4"); |
| 3584 |
sourcerer |
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fbtk_widget_t *neww; |
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neww = fbtk_widget_new(parent, |
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FB_WIDGET_TYPE_VSCROLL, |
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x, |
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y + scrollu.height, |
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width, |
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height - scrollu.height - scrolld.height); |
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neww->fg = fg; |
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neww->bg = bg; |
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neww->mapped = true; |
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fbtk_set_handler(neww, FBTK_CBT_REDRAW, vscroll_redraw, NULL); |
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fbtk_set_handler(neww, FBTK_CBT_CLICK, vscrollarea_click, neww); |
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fbtk_set_handler(neww, FBTK_CBT_SCROLLY, callback, context); |
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neww->u.scroll.btnul = fbtk_create_button(parent, |
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x, |
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y, |
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width, |
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scrollu.height, |
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fg, |
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&scrollu, |
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vscrollu_click, |
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neww); |
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neww->u.scroll.btndr = fbtk_create_button(parent, |
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x, |
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y + height - scrolld.height, |
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width, |
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scrolld.height, |
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fg, |
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&scrolld, |
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vscrolld_click, |
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neww); |
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return neww; |
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} |
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/* Horizontal scroll widget */ |
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static int |
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hscroll_redraw(fbtk_widget_t *widget, fbtk_callback_info *cbi) |
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{ |
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LOG(("REDRAW SCROLL 5")); |
| 5043 |
ashmew2 |
330 |
//DBG("REDRAW SCROLL 5"); |
| 3584 |
sourcerer |
331 |
int hscroll; |
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int hpos; |
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nsfb_bbox_t bbox; |
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nsfb_bbox_t rect; |
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fbtk_widget_t *root = fbtk_get_root_widget(widget); |
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fbtk_get_bbox(widget, &bbox); |
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nsfb_claim(root->u.root.fb, &bbox); |
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rect = bbox; |
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/* background */ |
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344 |
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//STUB |
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nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->bg); |
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/* scroll well */ |
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rect.x0 = bbox.x0 + 1; |
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rect.y0 = bbox.y0 + 2; |
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rect.x1 = bbox.x1 - 2; |
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rect.y1 = bbox.y1 - 3; |
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//STUB |
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nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->fg); |
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/* scroll well outline */ |
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//STUB |
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nsfb_plot_rectangle(root->u.root.fb, &rect, 1, 0xFF999999, false, false); |
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360 |
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if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) { |
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hscroll = ((widget->width - 4) * widget->u.scroll.thumb) / |
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(widget->u.scroll.maximum - widget->u.scroll.minimum) ; |
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hpos = ((widget->width - 4) * widget->u.scroll.position) / |
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(widget->u.scroll.maximum - widget->u.scroll.minimum) ; |
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} else { |
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hscroll = (widget->width - 4); |
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hpos = 0; |
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} |
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370 |
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LOG(("hscroll %d", hscroll)); |
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372 |
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rect.x0 = bbox.x0 + 3 + hpos; |
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rect.y0 = bbox.y0 + 5; |
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rect.x1 = bbox.x0 + hscroll + hpos; |
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rect.y1 = bbox.y0 + widget->height - 5; |
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377 |
|
|
|
378 |
|
|
|
379 |
//STUB |
|
|
380 |
nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->bg); |
|
|
381 |
|
|
|
382 |
nsfb_update(root->u.root.fb, &bbox); |
|
|
383 |
|
|
|
384 |
return 0; |
|
|
385 |
} |
|
|
386 |
|
|
|
387 |
static int |
|
|
388 |
hscrolll_click(fbtk_widget_t *widget, fbtk_callback_info *cbi) |
|
|
389 |
{ |
|
|
390 |
|
|
|
391 |
LOG(("REDRAW SCROLL 6")); |
| 5043 |
ashmew2 |
392 |
//DBG("REDRAW SCROLL 6"); |
| 3584 |
sourcerer |
393 |
int newpos; |
|
|
394 |
fbtk_widget_t *scrollw = cbi->context; |
|
|
395 |
|
|
|
396 |
if (cbi->event->type != NSFB_EVENT_KEY_DOWN) |
|
|
397 |
return 0; |
|
|
398 |
|
|
|
399 |
newpos = scrollw->u.scroll.position - scrollw->u.scroll.page; |
|
|
400 |
if (newpos < scrollw->u.scroll.minimum) |
|
|
401 |
newpos = scrollw->u.scroll.minimum; |
|
|
402 |
|
|
|
403 |
if (newpos == scrollw->u.scroll.position) { |
|
|
404 |
LOG(("horiz scroll was the same %d", newpos)); |
|
|
405 |
return 0; |
|
|
406 |
} |
|
|
407 |
|
|
|
408 |
return fbtk_post_callback(scrollw, FBTK_CBT_SCROLLX, newpos); |
|
|
409 |
} |
|
|
410 |
|
|
|
411 |
static int |
|
|
412 |
hscrollr_click(fbtk_widget_t *widget, fbtk_callback_info *cbi) |
|
|
413 |
{ |
|
|
414 |
|
|
|
415 |
LOG(("REDRAW SCROLL 7")); |
| 5043 |
ashmew2 |
416 |
//DBG("REDRAW SCROLL 7"); |
| 3584 |
sourcerer |
417 |
int newpos; |
|
|
418 |
fbtk_widget_t *scrollw = cbi->context; |
|
|
419 |
|
|
|
420 |
if (cbi->event->type != NSFB_EVENT_KEY_DOWN) |
|
|
421 |
return 0; |
|
|
422 |
|
|
|
423 |
newpos = scrollw->u.scroll.position + scrollw->u.scroll.page; |
|
|
424 |
if (newpos > (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb )) |
|
|
425 |
newpos = (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb); |
|
|
426 |
|
|
|
427 |
if (newpos == scrollw->u.scroll.position) |
|
|
428 |
return 0; |
|
|
429 |
|
|
|
430 |
return fbtk_post_callback(scrollw, FBTK_CBT_SCROLLX, newpos); |
|
|
431 |
} |
|
|
432 |
|
|
|
433 |
static int |
|
|
434 |
hscroll_drag(fbtk_widget_t *widget, fbtk_callback_info *cbi) |
|
|
435 |
{ |
|
|
436 |
|
|
|
437 |
LOG(("REDRAW SCROLL 8")); |
| 5043 |
ashmew2 |
438 |
//DBG("REDRAW SCROLL 8"); |
| 3584 |
sourcerer |
439 |
int newpos; |
|
|
440 |
fbtk_widget_t *scrollw = cbi->context; |
|
|
441 |
|
|
|
442 |
newpos = ((widget->u.scroll.drag_position + |
|
|
443 |
(cbi->x - widget->u.scroll.drag)) * |
|
|
444 |
(widget->u.scroll.maximum - widget->u.scroll.minimum)) / |
|
|
445 |
(widget->width - 4); |
|
|
446 |
|
|
|
447 |
if (newpos < scrollw->u.scroll.minimum) |
|
|
448 |
newpos = scrollw->u.scroll.minimum; |
|
|
449 |
|
|
|
450 |
if (newpos > (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb )) |
|
|
451 |
newpos = (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb); |
|
|
452 |
|
|
|
453 |
if (newpos == scrollw->u.scroll.position) |
|
|
454 |
return 0; |
|
|
455 |
|
|
|
456 |
return fbtk_post_callback(widget, FBTK_CBT_SCROLLX, newpos); |
|
|
457 |
} |
|
|
458 |
|
|
|
459 |
static int |
|
|
460 |
hscrollarea_click(fbtk_widget_t *widget, fbtk_callback_info *cbi) |
|
|
461 |
{ |
|
|
462 |
|
|
|
463 |
LOG(("REDRAW SCROLL 9")); |
| 5043 |
ashmew2 |
464 |
//DBG("REDRAW SCROLL 9"); |
| 3584 |
sourcerer |
465 |
int hscroll; |
|
|
466 |
int hpos; |
|
|
467 |
int newpos; |
|
|
468 |
int ret = 0; |
|
|
469 |
|
|
|
470 |
if (cbi->event->type != NSFB_EVENT_KEY_DOWN) { |
|
|
471 |
/* end all drags, just in case */ |
|
|
472 |
if (fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, NULL, NULL) != NULL) |
|
|
473 |
fbtk_tgrab_pointer(widget); |
|
|
474 |
return 0; |
|
|
475 |
} |
|
|
476 |
|
|
|
477 |
if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) { |
|
|
478 |
hscroll = ((widget->width - 4) * widget->u.scroll.thumb) / |
|
|
479 |
(widget->u.scroll.maximum - widget->u.scroll.minimum) ; |
|
|
480 |
hpos = ((widget->width - 4) * widget->u.scroll.position) / |
|
|
481 |
(widget->u.scroll.maximum - widget->u.scroll.minimum) ; |
|
|
482 |
} else { |
|
|
483 |
hscroll = (widget->width - 4); |
|
|
484 |
hpos = 0; |
|
|
485 |
} |
|
|
486 |
|
|
|
487 |
if (cbi->x < hpos) { |
|
|
488 |
/* left of bar */ |
|
|
489 |
newpos = widget->u.scroll.position - widget->u.scroll.page; |
|
|
490 |
if (newpos < widget->u.scroll.minimum) |
|
|
491 |
newpos = widget->u.scroll.minimum; |
|
|
492 |
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLX, newpos); |
|
|
493 |
} else if (cbi->x > (hpos + hscroll)) { |
|
|
494 |
/* right of bar */ |
|
|
495 |
newpos = widget->u.scroll.position + widget->u.scroll.page; |
|
|
496 |
if (newpos > widget->u.scroll.maximum) |
|
|
497 |
newpos = widget->u.scroll.maximum; |
|
|
498 |
ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLX, newpos); |
|
|
499 |
} else { |
|
|
500 |
/* on bar - start drag */ |
|
|
501 |
widget->u.scroll.drag = cbi->x; |
|
|
502 |
widget->u.scroll.drag_position = hpos; |
|
|
503 |
fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, hscroll_drag, widget); |
|
|
504 |
fbtk_tgrab_pointer(widget); |
|
|
505 |
} |
|
|
506 |
return ret; |
|
|
507 |
} |
|
|
508 |
|
|
|
509 |
/* exported function documented in fbtk.h */ |
|
|
510 |
fbtk_widget_t * |
|
|
511 |
fbtk_create_hscroll(fbtk_widget_t *parent, |
|
|
512 |
int x, |
|
|
513 |
int y, |
|
|
514 |
int width, |
|
|
515 |
int height, |
|
|
516 |
colour fg, |
|
|
517 |
colour bg, |
|
|
518 |
fbtk_callback callback, |
|
|
519 |
void *context) |
|
|
520 |
{ |
|
|
521 |
|
|
|
522 |
LOG(("REDRAW SCROLL 10")); |
| 5043 |
ashmew2 |
523 |
//DBG("REDRAW SCROLL 10"); |
| 3584 |
sourcerer |
524 |
fbtk_widget_t *neww; |
|
|
525 |
|
|
|
526 |
neww = fbtk_widget_new(parent, |
|
|
527 |
FB_WIDGET_TYPE_HSCROLL, |
|
|
528 |
x + scrolll.width, |
|
|
529 |
y, |
|
|
530 |
width - scrolll.width - scrollr.width, |
|
|
531 |
height); |
|
|
532 |
|
|
|
533 |
neww->fg = fg; |
|
|
534 |
neww->bg = bg; |
|
|
535 |
neww->mapped = true; |
|
|
536 |
|
|
|
537 |
fbtk_set_handler(neww, FBTK_CBT_REDRAW, hscroll_redraw, NULL); |
|
|
538 |
fbtk_set_handler(neww, FBTK_CBT_CLICK, hscrollarea_click, neww); |
|
|
539 |
fbtk_set_handler(neww, FBTK_CBT_SCROLLX, callback, context); |
|
|
540 |
|
|
|
541 |
neww->u.scroll.btnul = fbtk_create_button(parent, |
|
|
542 |
x, |
|
|
543 |
y, |
|
|
544 |
scrolll.width, |
|
|
545 |
height, |
|
|
546 |
fg, |
|
|
547 |
&scrolll, |
|
|
548 |
hscrolll_click, |
|
|
549 |
neww); |
|
|
550 |
|
|
|
551 |
neww->u.scroll.btndr = fbtk_create_button(parent, |
|
|
552 |
x + width - scrollr.width, |
|
|
553 |
y, |
|
|
554 |
scrollr.width, |
|
|
555 |
height, |
|
|
556 |
fg, |
|
|
557 |
&scrollr, |
|
|
558 |
hscrollr_click, |
|
|
559 |
neww); |
|
|
560 |
|
|
|
561 |
return neww; |
|
|
562 |
} |
|
|
563 |
|
|
|
564 |
|
|
|
565 |
/* exported function documented in fbtk.h */ |
|
|
566 |
bool |
|
|
567 |
fbtk_set_scroll_parameters(fbtk_widget_t *widget, |
|
|
568 |
int min, |
|
|
569 |
int max, |
|
|
570 |
int thumb, |
|
|
571 |
int page) |
|
|
572 |
{ |
|
|
573 |
LOG(("REDRAW SCROLL 11")); |
| 5043 |
ashmew2 |
574 |
//DBG("REDRAW SCROLL 11"); |
| 3584 |
sourcerer |
575 |
if (widget == NULL) |
|
|
576 |
return false; |
|
|
577 |
|
|
|
578 |
if ((widget->type != FB_WIDGET_TYPE_HSCROLL) && |
|
|
579 |
(widget->type != FB_WIDGET_TYPE_VSCROLL)) |
|
|
580 |
return false; |
|
|
581 |
|
|
|
582 |
widget->u.scroll.minimum = min; |
|
|
583 |
widget->u.scroll.maximum = max; |
|
|
584 |
widget->u.scroll.thumb = thumb; |
|
|
585 |
widget->u.scroll.page = page; |
|
|
586 |
|
|
|
587 |
if (widget->u.scroll.position > max) |
|
|
588 |
widget->u.scroll.position = max; |
|
|
589 |
if (widget->u.scroll.position < min) |
|
|
590 |
widget->u.scroll.position = min; |
|
|
591 |
|
|
|
592 |
fbtk_request_redraw(widget); |
|
|
593 |
|
|
|
594 |
return true; |
|
|
595 |
} |
|
|
596 |
|
|
|
597 |
/* exported function documented in fbtk.h */ |
|
|
598 |
bool |
|
|
599 |
fbtk_set_scroll_position(fbtk_widget_t *widget, int position) |
|
|
600 |
{ |
|
|
601 |
LOG(("REDRAW SCROLL 12")); |
| 5043 |
ashmew2 |
602 |
//DBG("REDRAW SCROLL 12"); |
| 3584 |
sourcerer |
603 |
if (widget == NULL) |
|
|
604 |
return false; |
|
|
605 |
|
|
|
606 |
if ((widget->type != FB_WIDGET_TYPE_HSCROLL) && |
|
|
607 |
(widget->type != FB_WIDGET_TYPE_VSCROLL)) |
|
|
608 |
return false; |
|
|
609 |
|
|
|
610 |
if ((position < widget->u.scroll.minimum) || |
|
|
611 |
(position > widget->u.scroll.maximum)) |
|
|
612 |
return false; |
|
|
613 |
|
|
|
614 |
widget->u.scroll.position = position; |
|
|
615 |
|
|
|
616 |
fbtk_request_redraw(widget); |
|
|
617 |
|
|
|
618 |
return true; |
|
|
619 |
} |
|
|
620 |
|
|
|
621 |
/* |
|
|
622 |
* Local Variables: |
|
|
623 |
* c-basic-offset:8 |
|
|
624 |
* End: |
|
|
625 |
*/ |