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-rw-r--r--framebuffer/fbtk/scroll.c589
1 files changed, 0 insertions, 589 deletions
diff --git a/framebuffer/fbtk/scroll.c b/framebuffer/fbtk/scroll.c
deleted file mode 100644
index c86c8a6de..000000000
--- a/framebuffer/fbtk/scroll.c
+++ /dev/null
@@ -1,589 +0,0 @@
-/*
- * Copyright 2010 Vincent Sanders <vince@simtec.co.uk>
- *
- * Framebuffer windowing toolkit scrollbar widgets
- *
- * This file is part of NetSurf, http://www.netsurf-browser.org/
- *
- * NetSurf is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * NetSurf is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <assert.h>
-
-#include <stdbool.h>
-
-#include <libnsfb.h>
-#include <libnsfb_plot.h>
-#include <libnsfb_event.h>
-#include <libnsfb_cursor.h>
-
-#include "utils/log.h"
-#include "desktop/browser.h"
-
-#include "framebuffer/gui.h"
-#include "framebuffer/fbtk.h"
-#include "framebuffer/image_data.h"
-
-#include "widget.h"
-
-/* Vertical scroll widget */
-
-static int
-vscroll_redraw(fbtk_widget_t *widget, fbtk_callback_info *cbi)
-{
- int vscroll;
- int vpos;
-
- nsfb_bbox_t bbox;
- nsfb_bbox_t rect;
- fbtk_widget_t *root = fbtk_get_root_widget(widget);
-
- fbtk_get_bbox(widget, &bbox);
-
- nsfb_claim(root->u.root.fb, &bbox);
-
- rect = bbox;
-
- /* background */
- nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->bg);
-
- /* scroll well */
- rect.x0 = bbox.x0 + 2;
- rect.y0 = bbox.y0 + 1;
- rect.x1 = bbox.x1 - 3;
- rect.y1 = bbox.y1 - 2;
-
- nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->fg);
- nsfb_plot_rectangle(root->u.root.fb, &rect, 1, 0xFF999999, false, false);
-
- /* scroll bar */
- if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) {
- vscroll = ((widget->height - 4) * widget->u.scroll.thumb) /
- (widget->u.scroll.maximum - widget->u.scroll.minimum) ;
- vpos = ((widget->height - 4) * widget->u.scroll.position) /
- (widget->u.scroll.maximum - widget->u.scroll.minimum) ;
- } else {
- vscroll = (widget->height - 4);
- vpos = 0;
- }
-
- rect.x0 = bbox.x0 + 5;
- rect.y0 = bbox.y0 + 3 + vpos;
- rect.x1 = bbox.x0 + widget->width - 5;
- rect.y1 = bbox.y0 + vscroll + vpos;
-
- nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->bg);
-
- nsfb_update(root->u.root.fb, &bbox);
-
- return 0;
-}
-
-static int
-vscroll_drag(fbtk_widget_t *widget, fbtk_callback_info *cbi)
-{
- int newpos;
- fbtk_widget_t *scrollw = cbi->context;
-
- newpos = ((widget->u.scroll.drag_position +
- (cbi->y - widget->u.scroll.drag)) *
- (widget->u.scroll.maximum - widget->u.scroll.minimum)) /
- (widget->height - 4);
-
- if (newpos < scrollw->u.scroll.minimum)
- newpos = scrollw->u.scroll.minimum;
-
- if (newpos > (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb ))
- newpos = (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb);
-
- if (newpos == scrollw->u.scroll.position)
- return 0;
-
- return fbtk_post_callback(widget, FBTK_CBT_SCROLLY, newpos);
-}
-
-static int
-vscrollu_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
-{
- int newpos;
- fbtk_widget_t *scrollw = cbi->context;
-
- if (cbi->event->type != NSFB_EVENT_KEY_DOWN)
- return 0;
-
- newpos = scrollw->u.scroll.position - scrollw->u.scroll.page;
- if (newpos < scrollw->u.scroll.minimum)
- newpos = scrollw->u.scroll.minimum;
-
- if (newpos == scrollw->u.scroll.position)
- return 0;
-
- return fbtk_post_callback(scrollw, FBTK_CBT_SCROLLY, newpos);
-}
-
-static int
-vscrolld_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
-{
- int newpos;
- fbtk_widget_t *scrollw = cbi->context;
-
- if (cbi->event->type != NSFB_EVENT_KEY_DOWN)
- return 0;
-
- newpos = scrollw->u.scroll.position + scrollw->u.scroll.page;
- if (newpos > (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb ))
- newpos = (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb);
-
- if (newpos == scrollw->u.scroll.position)
- return 0;
-
- return fbtk_post_callback(scrollw, FBTK_CBT_SCROLLY, newpos);
-}
-
-static int
-vscrollarea_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
-{
- int vscroll;
- int vpos;
- int newpos;
- int ret = 0;
-
- if (cbi->event->type != NSFB_EVENT_KEY_DOWN) {
- /* end all drags, just in case */
- if (fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, NULL, NULL) != NULL)
- fbtk_tgrab_pointer(widget);
- return 0;
- }
-
- switch (cbi->event->value.keycode) {
-
- case NSFB_KEY_MOUSE_4:
- /* scroll up */
- newpos = widget->u.scroll.position - widget->u.scroll.page;
- if (newpos < widget->u.scroll.minimum)
- newpos = widget->u.scroll.minimum;
- ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
- break;
-
- case NSFB_KEY_MOUSE_5:
- /* scroll down */
- newpos = widget->u.scroll.position + widget->u.scroll.page;
- if (newpos > widget->u.scroll.maximum)
- newpos = widget->u.scroll.maximum;
- ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
- break;
-
- default:
-
- if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) {
- vscroll = ((widget->height - 4) * widget->u.scroll.thumb) /
- (widget->u.scroll.maximum - widget->u.scroll.minimum) ;
- vpos = ((widget->height - 4) * widget->u.scroll.position) /
- (widget->u.scroll.maximum - widget->u.scroll.minimum) ;
- } else {
- vscroll = (widget->height - 4);
- vpos = 0;
- }
-
- if (cbi->y < vpos) {
- /* above bar */
- newpos = widget->u.scroll.position - widget->u.scroll.thumb;
- if (newpos < widget->u.scroll.minimum)
- newpos = widget->u.scroll.minimum;
- ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
- } else if (cbi->y > (vpos + vscroll)) {
- /* below bar */
- newpos = widget->u.scroll.position + widget->u.scroll.thumb;
- if (newpos > widget->u.scroll.maximum)
- newpos = widget->u.scroll.maximum;
- ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLY, newpos);
- } else {
- /* on bar - start drag */
- widget->u.scroll.drag = cbi->y;
- widget->u.scroll.drag_position = vpos;
- fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, vscroll_drag, widget);
- fbtk_tgrab_pointer(widget);
- }
- }
- return ret;
-}
-
-
-/* exported function documented in fbtk.h */
-fbtk_widget_t *
-fbtk_create_vscroll(fbtk_widget_t *parent,
- int x,
- int y,
- int width,
- int height,
- colour fg,
- colour bg,
- fbtk_callback callback,
- void *context)
-{
- fbtk_widget_t *neww;
-
- neww = fbtk_widget_new(parent,
- FB_WIDGET_TYPE_VSCROLL,
- x,
- y + scrollu.height,
- width,
- height - scrollu.height - scrolld.height);
-
- neww->fg = fg;
- neww->bg = bg;
- neww->mapped = true;
-
- fbtk_set_handler(neww, FBTK_CBT_REDRAW, vscroll_redraw, NULL);
-
- fbtk_set_handler(neww, FBTK_CBT_CLICK, vscrollarea_click, neww);
-
- fbtk_set_handler(neww, FBTK_CBT_SCROLLY, callback, context);
-
- neww->u.scroll.btnul = fbtk_create_button(parent,
- x,
- y,
- width,
- scrollu.height,
- fg,
- &scrollu,
- vscrollu_click,
- neww);
-
- neww->u.scroll.btndr = fbtk_create_button(parent,
- x,
- y + height - scrolld.height,
- width,
- scrolld.height,
- fg,
- &scrolld,
- vscrolld_click,
- neww);
-
-
- return neww;
-}
-
-
-/* exported function documented in fbtk.h */
-void
-fbtk_reposition_vscroll(fbtk_widget_t *vscroll,
- int x,
- int y,
- int width,
- int height)
-{
- assert(vscroll->type == FB_WIDGET_TYPE_VSCROLL);
-
- fbtk_set_pos_and_size(vscroll, x, y + scrollu.height,
- width, height - scrollu.height - scrolld.height);
- fbtk_set_pos_and_size(vscroll->u.scroll.btnul,
- x, y, width, scrollu.height);
- fbtk_set_pos_and_size(vscroll->u.scroll.btndr,
- x, y + height - scrolld.height,
- width, scrolld.height);
-}
-
-/* Horizontal scroll widget */
-
-static int
-hscroll_redraw(fbtk_widget_t *widget, fbtk_callback_info *cbi)
-{
- int hscroll;
- int hpos;
- nsfb_bbox_t bbox;
- nsfb_bbox_t rect;
- fbtk_widget_t *root = fbtk_get_root_widget(widget);
-
- fbtk_get_bbox(widget, &bbox);
-
- nsfb_claim(root->u.root.fb, &bbox);
-
- rect = bbox;
-
- /* background */
- nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->bg);
-
- /* scroll well */
- rect.x0 = bbox.x0 + 1;
- rect.y0 = bbox.y0 + 2;
- rect.x1 = bbox.x1 - 2;
- rect.y1 = bbox.y1 - 3;
- nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->fg);
-
- /* scroll well outline */
- nsfb_plot_rectangle(root->u.root.fb, &rect, 1, 0xFF999999, false, false);
-
- if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) {
- hscroll = ((widget->width - 4) * widget->u.scroll.thumb) /
- (widget->u.scroll.maximum - widget->u.scroll.minimum) ;
- hpos = ((widget->width - 4) * widget->u.scroll.position) /
- (widget->u.scroll.maximum - widget->u.scroll.minimum) ;
- } else {
- hscroll = (widget->width - 4);
- hpos = 0;
- }
-
- LOG("hscroll %d", hscroll);
-
- rect.x0 = bbox.x0 + 3 + hpos;
- rect.y0 = bbox.y0 + 5;
- rect.x1 = bbox.x0 + hscroll + hpos;
- rect.y1 = bbox.y0 + widget->height - 5;
-
- nsfb_plot_rectangle_fill(root->u.root.fb, &rect, widget->bg);
-
- nsfb_update(root->u.root.fb, &bbox);
-
- return 0;
-}
-
-static int
-hscrolll_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
-{
- int newpos;
- fbtk_widget_t *scrollw = cbi->context;
-
- if (cbi->event->type != NSFB_EVENT_KEY_DOWN)
- return 0;
-
- newpos = scrollw->u.scroll.position - scrollw->u.scroll.page;
- if (newpos < scrollw->u.scroll.minimum)
- newpos = scrollw->u.scroll.minimum;
-
- if (newpos == scrollw->u.scroll.position) {
- LOG("horiz scroll was the same %d", newpos);
- return 0;
- }
-
- return fbtk_post_callback(scrollw, FBTK_CBT_SCROLLX, newpos);
-}
-
-static int
-hscrollr_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
-{
- int newpos;
- fbtk_widget_t *scrollw = cbi->context;
-
- if (cbi->event->type != NSFB_EVENT_KEY_DOWN)
- return 0;
-
- newpos = scrollw->u.scroll.position + scrollw->u.scroll.page;
- if (newpos > (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb ))
- newpos = (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb);
-
- if (newpos == scrollw->u.scroll.position)
- return 0;
-
- return fbtk_post_callback(scrollw, FBTK_CBT_SCROLLX, newpos);
-}
-
-static int
-hscroll_drag(fbtk_widget_t *widget, fbtk_callback_info *cbi)
-{
- int newpos;
- fbtk_widget_t *scrollw = cbi->context;
-
- newpos = ((widget->u.scroll.drag_position +
- (cbi->x - widget->u.scroll.drag)) *
- (widget->u.scroll.maximum - widget->u.scroll.minimum)) /
- (widget->width - 4);
-
- if (newpos < scrollw->u.scroll.minimum)
- newpos = scrollw->u.scroll.minimum;
-
- if (newpos > (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb ))
- newpos = (scrollw->u.scroll.maximum - scrollw->u.scroll.thumb);
-
- if (newpos == scrollw->u.scroll.position)
- return 0;
-
- return fbtk_post_callback(widget, FBTK_CBT_SCROLLX, newpos);
-}
-
-static int
-hscrollarea_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
-{
- int hscroll;
- int hpos;
- int newpos;
- int ret = 0;
-
- if (cbi->event->type != NSFB_EVENT_KEY_DOWN) {
- /* end all drags, just in case */
- if (fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, NULL, NULL) != NULL)
- fbtk_tgrab_pointer(widget);
- return 0;
- }
-
- if ((widget->u.scroll.maximum - widget->u.scroll.minimum) > 0) {
- hscroll = ((widget->width - 4) * widget->u.scroll.thumb) /
- (widget->u.scroll.maximum - widget->u.scroll.minimum) ;
- hpos = ((widget->width - 4) * widget->u.scroll.position) /
- (widget->u.scroll.maximum - widget->u.scroll.minimum) ;
- } else {
- hscroll = (widget->width - 4);
- hpos = 0;
- }
-
- if (cbi->x < hpos) {
- /* left of bar */
- newpos = widget->u.scroll.position - widget->u.scroll.page;
- if (newpos < widget->u.scroll.minimum)
- newpos = widget->u.scroll.minimum;
- ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLX, newpos);
- } else if (cbi->x > (hpos + hscroll)) {
- /* right of bar */
- newpos = widget->u.scroll.position + widget->u.scroll.page;
- if (newpos > widget->u.scroll.maximum)
- newpos = widget->u.scroll.maximum;
- ret = fbtk_post_callback(cbi->context, FBTK_CBT_SCROLLX, newpos);
- } else {
- /* on bar - start drag */
- widget->u.scroll.drag = cbi->x;
- widget->u.scroll.drag_position = hpos;
- fbtk_set_handler(widget, FBTK_CBT_POINTERMOVE, hscroll_drag, widget);
- fbtk_tgrab_pointer(widget);
- }
- return ret;
-}
-
-/* exported function documented in fbtk.h */
-fbtk_widget_t *
-fbtk_create_hscroll(fbtk_widget_t *parent,
- int x,
- int y,
- int width,
- int height,
- colour fg,
- colour bg,
- fbtk_callback callback,
- void *context)
-{
- fbtk_widget_t *neww;
-
- neww = fbtk_widget_new(parent,
- FB_WIDGET_TYPE_HSCROLL,
- x + scrolll.width,
- y,
- width - scrolll.width - scrollr.width,
- height);
-
- neww->fg = fg;
- neww->bg = bg;
- neww->mapped = true;
-
- fbtk_set_handler(neww, FBTK_CBT_REDRAW, hscroll_redraw, NULL);
- fbtk_set_handler(neww, FBTK_CBT_CLICK, hscrollarea_click, neww);
- fbtk_set_handler(neww, FBTK_CBT_SCROLLX, callback, context);
-
- neww->u.scroll.btnul = fbtk_create_button(parent,
- x,
- y,
- scrolll.width,
- height,
- fg,
- &scrolll,
- hscrolll_click,
- neww);
-
- neww->u.scroll.btndr = fbtk_create_button(parent,
- x + width - scrollr.width,
- y,
- scrollr.width,
- height,
- fg,
- &scrollr,
- hscrollr_click,
- neww);
-
- return neww;
-}
-
-/* exported function documented in fbtk.h */
-void
-fbtk_reposition_hscroll(fbtk_widget_t *scrollh,
- int x,
- int y,
- int width,
- int height)
-{
- assert(scrollh->type == FB_WIDGET_TYPE_HSCROLL);
-
- fbtk_set_pos_and_size(scrollh, x + scrolll.width, y,
- width - scrolll.width - scrollr.width, height);
- fbtk_set_pos_and_size(scrollh->u.scroll.btnul,
- x, y, scrolll.width, height);
- fbtk_set_pos_and_size(scrollh->u.scroll.btndr,
- x + width - scrollr.width, y,
- scrollr.width, height);
-}
-
-
-/* exported function documented in fbtk.h */
-bool
-fbtk_set_scroll_parameters(fbtk_widget_t *widget,
- int min,
- int max,
- int thumb,
- int page)
-{
- if (widget == NULL)
- return false;
-
- if ((widget->type != FB_WIDGET_TYPE_HSCROLL) &&
- (widget->type != FB_WIDGET_TYPE_VSCROLL))
- return false;
-
- widget->u.scroll.minimum = min;
- widget->u.scroll.maximum = max;
- widget->u.scroll.thumb = thumb;
- widget->u.scroll.page = page;
-
- if (widget->u.scroll.position > max)
- widget->u.scroll.position = max;
- if (widget->u.scroll.position < min)
- widget->u.scroll.position = min;
-
- fbtk_request_redraw(widget);
-
- return true;
-}
-
-/* exported function documented in fbtk.h */
-bool
-fbtk_set_scroll_position(fbtk_widget_t *widget, int position)
-{
- if (widget == NULL)
- return false;
-
- if ((widget->type != FB_WIDGET_TYPE_HSCROLL) &&
- (widget->type != FB_WIDGET_TYPE_VSCROLL))
- return false;
-
- if ((position < widget->u.scroll.minimum) ||
- (position > widget->u.scroll.maximum))
- return false;
-
- widget->u.scroll.position = position;
-
- fbtk_request_redraw(widget);
-
- return true;
-}
-
-/*
- * Local Variables:
- * c-basic-offset:8
- * End:
- */
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