mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-22 04:02:34 +03:00
Add rudimentary support for resizing.
- Currently only libnsfb's SDL surface supports resizing. - Flickers like crazy while resizing. Possibly because the SDL surface is not set to use double buffering. - The internal widget library, fbtk, was never intended for this, as such it has no knowledge of how a widget should be positioned with respect to its parent. This means the top level window has to track everything and move them itself.
This commit is contained in:
Michael Drake
parent
989e82544e
commit
31def6a338
@ -270,7 +270,7 @@ bool fbtk_get_caret(fbtk_widget_t *widget, int *x, int *y, int *height);
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/******************* Widget Manipulation **********************/
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/** Change the widget's position and size.
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/** Change the widget's position and size. (Doesn't redraw)
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*
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*/
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bool fbtk_set_pos_and_size(fbtk_widget_t *widget, int x, int y, int width, int height);
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@ -369,6 +369,27 @@ bool fbtk_set_scroll_parameters(fbtk_widget_t *widget, int min, int max, int thu
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bool fbtk_set_scroll_position(fbtk_widget_t *widget, int pos);
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/** Move and/or resize a horizontal scroll widget
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*
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* @param vscroll the horizontal scroll widget
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* @param x new x pos
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* @param y new y pos
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* @param width new width
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* @param height new height
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*/
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void fbtk_reposition_hscroll(fbtk_widget_t *scrollh,
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int x, int y, int width, int height);
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/** Move and/or resize a vertical scroll widget
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*
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* @param vscroll the vertical scroll widget
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* @param x new x pos
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* @param y new y pos
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* @param width new width
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* @param height new height
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*/
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void fbtk_reposition_vscroll(fbtk_widget_t *scrollv,
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int x, int y, int width, int height);
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@ -248,6 +248,13 @@ fbtk_event(fbtk_widget_t *root, nsfb_event_t *event, int timeout)
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timeout = 0;
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break;
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case NSFB_EVENT_RESIZE:
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/* Try to resize framebuffer */
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gui_resize(root,
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event->value.resize.w,
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event->value.resize.h);
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break;
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default:
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break;
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}
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@ -209,6 +209,29 @@ fbtk_set_pos_and_size(fbtk_widget_t *widget,
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int x, int y,
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int width, int height)
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{
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if (widget->parent != NULL) {
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fbtk_widget_t *parent = widget->parent;
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/* make new window fit inside parent */
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if (width == 0) {
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width = parent->width - x;
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} else if (width < 0) {
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width = parent->width + width - x;
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}
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if ((width + x) > parent->width) {
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width = parent->width - x;
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}
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if (height == 0) {
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height = parent->height - y;
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} else if (height < 0) {
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height = parent->height + height - y;
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}
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if ((height + y) > parent->height) {
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height = parent->height - y;
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}
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}
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if ((widget->x != x) ||
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(widget->y != y) ||
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(widget->width != width) ||
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@ -217,10 +240,6 @@ fbtk_set_pos_and_size(fbtk_widget_t *widget,
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widget->y = y;
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widget->width = width;
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widget->height = height;
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/* @todo This should limit the redrawn area to the sum
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* of the old and new widget dimensions, not redraw the lot.
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*/
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fbtk_request_redraw(widget->parent);
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return true;
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}
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return false;
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@ -18,6 +18,8 @@
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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 <assert.h>
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#include <stdbool.h>
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#include <libnsfb.h>
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@ -272,6 +274,26 @@ fbtk_create_vscroll(fbtk_widget_t *parent,
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return neww;
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}
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/* exported function documented in fbtk.h */
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void
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fbtk_reposition_vscroll(fbtk_widget_t *vscroll,
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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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{
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assert(vscroll->type == FB_WIDGET_TYPE_VSCROLL);
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fbtk_set_pos_and_size(vscroll, x, y + scrollu.height,
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width, height - scrollu.height - scrolld.height);
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fbtk_set_pos_and_size(vscroll->u.scroll.btnul,
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x, y, width, scrollu.height);
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fbtk_set_pos_and_size(vscroll->u.scroll.btndr,
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x, y + height - scrolld.height,
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width, scrolld.height);
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}
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/* Horizontal scroll widget */
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static int
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@ -488,6 +510,25 @@ fbtk_create_hscroll(fbtk_widget_t *parent,
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return neww;
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}
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/* exported function documented in fbtk.h */
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void
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fbtk_reposition_hscroll(fbtk_widget_t *scrollh,
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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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{
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assert(scrollh->type == FB_WIDGET_TYPE_HSCROLL);
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fbtk_set_pos_and_size(scrollh, x + scrolll.width, y,
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width - scrolll.width - scrollr.width, height);
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fbtk_set_pos_and_size(scrollh->u.scroll.btnul,
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x, y, scrolll.width, height);
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fbtk_set_pos_and_size(scrollh->u.scroll.btndr,
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x + width - scrollr.width, y,
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scrollr.width, height);
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}
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/* exported function documented in fbtk.h */
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bool
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@ -341,6 +341,42 @@ const struct plotter_table fb_plotters = {
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};
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static bool framebuffer_format_from_bpp(int bpp, enum nsfb_format_e *fmt)
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{
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switch (bpp) {
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case 32:
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*fmt = NSFB_FMT_XRGB8888;
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break;
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case 24:
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*fmt = NSFB_FMT_RGB888;
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break;
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case 16:
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*fmt = NSFB_FMT_RGB565;
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break;
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case 8:
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*fmt = NSFB_FMT_I8;
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break;
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case 4:
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*fmt = NSFB_FMT_I4;
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break;
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case 1:
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*fmt = NSFB_FMT_I1;
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break;
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default:
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LOG(("Bad bits per pixel (%d)\n", bpp));
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return false;
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}
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return true;
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}
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nsfb_t *
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framebuffer_initialise(const char *fename, int width, int height, int bpp)
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@ -349,34 +385,8 @@ framebuffer_initialise(const char *fename, int width, int height, int bpp)
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enum nsfb_format_e fbfmt;
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/* bpp is a proxy for the framebuffer format */
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switch (bpp) {
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case 32:
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fbfmt = NSFB_FMT_XRGB8888;
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break;
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case 24:
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fbfmt = NSFB_FMT_RGB888;
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break;
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case 16:
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fbfmt = NSFB_FMT_RGB565;
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break;
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case 8:
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fbfmt = NSFB_FMT_I8;
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break;
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case 4:
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fbfmt = NSFB_FMT_I4;
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break;
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case 1:
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fbfmt = NSFB_FMT_I1;
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break;
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default:
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LOG(("Bad bits per pixel (%d)\n", bpp));
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return NULL;
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if (framebuffer_format_from_bpp(bpp, &fbfmt) == false) {
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return NULL;
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}
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fbtype = nsfb_type_from_name(fename);
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@ -409,6 +419,25 @@ framebuffer_initialise(const char *fename, int width, int height, int bpp)
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}
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bool
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framebuffer_resize(nsfb_t *nsfb, int width, int height, int bpp)
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{
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enum nsfb_format_e fbfmt;
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/* bpp is a proxy for the framebuffer format */
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if (framebuffer_format_from_bpp(bpp, &fbfmt) == false) {
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return false;
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}
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if (nsfb_set_geometry(nsfb, width, height, fbfmt) == -1) {
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LOG(("Unable to change surface geometry\n"));
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return false;
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}
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return true;
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}
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void
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framebuffer_finalise(void)
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{
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@ -3,6 +3,7 @@
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extern const struct plotter_table fb_plotters;
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nsfb_t *framebuffer_initialise(const char *fename, int width, int height, int bpp);
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bool framebuffer_resize(nsfb_t *nsfb, int width, int height, int bpp);
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void framebuffer_finalise(void);
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bool framebuffer_set_cursor(struct fbtk_bitmap *bm);
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@ -1229,6 +1229,7 @@ create_toolbar(struct gui_window *gw,
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&history_image,
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fb_localhistory_btn_clik,
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gw);
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gw->history = widget;
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break;
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case 'f': /* forward */
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@ -1256,6 +1257,7 @@ create_toolbar(struct gui_window *gw,
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&stop_image_g,
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fb_close_click,
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gw->bw);
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gw->close = widget;
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break;
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case 's': /* stop */
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@ -1269,6 +1271,7 @@ create_toolbar(struct gui_window *gw,
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&stop_image,
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fb_stop_click,
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gw->bw);
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gw->stop = widget;
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break;
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case 'r': /* reload */
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@ -1282,6 +1285,7 @@ create_toolbar(struct gui_window *gw,
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&reload,
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fb_reload_click,
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gw->bw);
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gw->reload = widget;
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break;
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case 't': /* throbber/activity indicator */
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@ -1356,6 +1360,155 @@ create_toolbar(struct gui_window *gw,
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return toolbar;
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}
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/** Resize a toolbar.
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*
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* @param gw Parent window
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* @param toolbar_height The height in pixels of the toolbar
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* @param padding The padding in pixels round each element of the toolbar
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* @param toolbar_layout A string defining which buttons and controls
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* should be added to the toolbar. May be empty
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* string to disable the bar.
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*/
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static void
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resize_toolbar(struct gui_window *gw,
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int toolbar_height,
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int padding,
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const char *toolbar_layout)
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{
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fbtk_widget_t *widget;
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int xpos; /* The position of the next widget. */
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int xlhs = 0; /* extent of the left hand side widgets */
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int xdir = 1; /* the direction of movement + or - 1 */
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const char *itmtype; /* type of the next item */
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int x = 0, y = 0, w = 0, h = 0;
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if (gw->toolbar == NULL) {
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return;
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}
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if (toolbar_layout == NULL) {
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toolbar_layout = NSFB_TOOLBAR_DEFAULT_LAYOUT;
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}
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itmtype = toolbar_layout;
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if (*itmtype == 0) {
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return;
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}
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fbtk_set_pos_and_size(gw->toolbar, 0, 0, 0, toolbar_height);
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xpos = padding;
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/* loop proceeds creating widget on the left hand side until
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* it runs out of layout or encounters a url bar declaration
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* wherupon it works backwards from the end of the layout
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* untill the space left is for the url bar
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*/
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while (itmtype >= toolbar_layout && xdir != 0) {
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switch (*itmtype) {
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case 'b': /* back */
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widget = gw->back;
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x = (xdir == 1) ? xpos : xpos - left_arrow.width;
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y = padding;
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w = left_arrow.width;
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h = -padding;
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break;
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case 'l': /* local history */
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widget = gw->history;
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x = (xdir == 1) ? xpos : xpos - history_image.width;
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y = padding;
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w = history_image.width;
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h = -padding;
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break;
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case 'f': /* forward */
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widget = gw->forward;
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x = (xdir == 1) ? xpos : xpos - right_arrow.width;
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y = padding;
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w = right_arrow.width;
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h = -padding;
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break;
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case 'c': /* close the current window */
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widget = gw->close;
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x = (xdir == 1) ? xpos : xpos - stop_image_g.width;
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y = padding;
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w = stop_image_g.width;
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h = -padding;
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break;
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case 's': /* stop */
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widget = gw->stop;
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x = (xdir == 1) ? xpos : xpos - stop_image.width;
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y = padding;
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w = stop_image.width;
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h = -padding;
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break;
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case 'r': /* reload */
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widget = gw->reload;
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x = (xdir == 1) ? xpos : xpos - reload.width;
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y = padding;
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w = reload.width;
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h = -padding;
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break;
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case 't': /* throbber/activity indicator */
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widget = gw->throbber;
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x = (xdir == 1) ? xpos : xpos - throbber0.width;
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y = padding;
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w = throbber0.width;
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h = -padding;
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break;
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case 'u': /* url bar*/
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if (xdir == -1) {
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/* met the u going backwards add url
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* now we know available extent
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*/
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widget = gw->url;
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x = xlhs;
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y = padding;
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w = xpos - xlhs;
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h = -padding;
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/* toolbar is complete */
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xdir = 0;
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break;
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}
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/* met url going forwards, note position and
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* reverse direction
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*/
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itmtype = toolbar_layout + strlen(toolbar_layout);
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xdir = -1;
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xlhs = xpos;
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w = fbtk_get_width(gw->toolbar);
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xpos = 2 * w;
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widget = gw->toolbar;
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break;
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default:
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widget = NULL;
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break;
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}
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if (widget != NULL) {
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if (widget != gw->toolbar)
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fbtk_set_pos_and_size(widget, x, y, w, h);
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xpos += xdir * (w + padding);
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}
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itmtype += xdir;
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}
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}
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/** Routine called when "stripped of focus" event occours for browser widget.
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*
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* @param widget The widget reciving "stripped of focus" event.
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@ -1391,6 +1544,14 @@ create_browser_widget(struct gui_window *gw, int toolbar_height, int furniture_w
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fbtk_set_handler(gw->browser, FBTK_CBT_POINTERMOVE, fb_browser_window_move, gw);
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}
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static void
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resize_browser_widget(struct gui_window *gw, int x, int y,
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int width, int height)
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{
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fbtk_set_pos_and_size(gw->browser, x, y, width, height);
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browser_window_reformat(gw->bw, false, width, height);
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}
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static void
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create_normal_browser_window(struct gui_window *gw, int furniture_width)
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{
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@ -1412,6 +1573,7 @@ create_normal_browser_window(struct gui_window *gw, int furniture_width)
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2,
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FB_FRAME_COLOUR,
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nsoption_charp(fb_toolbar_layout));
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gw->toolbar = toolbar;
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/* set the actually created toolbar height */
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if (toolbar != NULL) {
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@ -1473,6 +1635,8 @@ create_normal_browser_window(struct gui_window *gw, int furniture_width)
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fbtk_set_handler(widget, FBTK_CBT_POINTERENTER, set_ptr_default_move, NULL);
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}
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gw->bottom_right = widget;
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/* create vertical scrollbar */
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gw->vscroll = fbtk_create_vscroll(gw->window,
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fbtk_get_width(gw->window) - furniture_width,
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@ -1491,6 +1655,81 @@ create_normal_browser_window(struct gui_window *gw, int furniture_width)
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fbtk_set_focus(gw->browser);
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}
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static void
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resize_normal_browser_window(struct gui_window *gw, int furniture_width)
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{
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bool resized;
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int width, height;
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int toolbar_height = fbtk_get_height(gw->toolbar);
|
||||
int statusbar_width = nsoption_int(toolbar_status_size) *
|
||||
width / 10000;
|
||||
|
||||
/* Resize the main window widget */
|
||||
resized = fbtk_set_pos_and_size(gw->window, 0, 0, 0, 0);
|
||||
if (!resized)
|
||||
return;
|
||||
|
||||
width = fbtk_get_width(gw->window);
|
||||
height = fbtk_get_height(gw->window);
|
||||
|
||||
resize_toolbar(gw, toolbar_height, 2,
|
||||
nsoption_charp(fb_toolbar_layout));
|
||||
fbtk_set_pos_and_size(gw->status,
|
||||
0, height - furniture_width,
|
||||
statusbar_width, furniture_width);
|
||||
fbtk_reposition_hscroll(gw->hscroll,
|
||||
statusbar_width, height - furniture_width,
|
||||
width - statusbar_width - furniture_width,
|
||||
furniture_width);
|
||||
fbtk_set_pos_and_size(gw->bottom_right,
|
||||
width - furniture_width, height - furniture_width,
|
||||
furniture_width, furniture_width);
|
||||
fbtk_reposition_vscroll(gw->vscroll,
|
||||
width - furniture_width,
|
||||
toolbar_height, furniture_width,
|
||||
height - toolbar_height - furniture_width);
|
||||
resize_browser_widget(gw,
|
||||
0, toolbar_height,
|
||||
width - furniture_width,
|
||||
height - furniture_width - toolbar_height);
|
||||
}
|
||||
|
||||
static void gui_window_add_to_window_list(struct gui_window *gw)
|
||||
{
|
||||
gw->next = NULL;
|
||||
gw->prev = NULL;
|
||||
|
||||
if (window_list == NULL) {
|
||||
window_list = gw;
|
||||
} else {
|
||||
window_list->prev = gw;
|
||||
gw->next = window_list;
|
||||
window_list = gw;
|
||||
}
|
||||
}
|
||||
|
||||
static void gui_window_remove_from_window_list(struct gui_window *gw)
|
||||
{
|
||||
struct gui_window *list;
|
||||
|
||||
for (list = window_list; list != NULL; list = list->next) {
|
||||
if (list != gw)
|
||||
continue;
|
||||
|
||||
if (list == window_list) {
|
||||
window_list = list->next;
|
||||
if (window_list != NULL)
|
||||
window_list->prev = NULL;
|
||||
} else {
|
||||
list->prev->next = list->next;
|
||||
if (list->next != NULL) {
|
||||
list->next->prev = list->prev;
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static struct gui_window *
|
||||
gui_window_create(struct browser_window *bw,
|
||||
@ -1514,12 +1753,17 @@ gui_window_create(struct browser_window *bw,
|
||||
/* map and request redraw of gui window */
|
||||
fbtk_set_mapping(gw->window, true);
|
||||
|
||||
/* Add it to the window list */
|
||||
gui_window_add_to_window_list(gw);
|
||||
|
||||
return gw;
|
||||
}
|
||||
|
||||
static void
|
||||
gui_window_destroy(struct gui_window *gw)
|
||||
{
|
||||
gui_window_remove_from_window_list(gw);
|
||||
|
||||
fbtk_destroy_widget(gw->window);
|
||||
|
||||
free(gw);
|
||||
@ -1903,6 +2147,34 @@ main(int argc, char** argv)
|
||||
return 0;
|
||||
}
|
||||
|
||||
void gui_resize(fbtk_widget_t *root, int width, int height)
|
||||
{
|
||||
struct gui_window *gw;
|
||||
nsfb_t *nsfb = fbtk_get_nsfb(root);
|
||||
|
||||
/* Enforce a minimum */
|
||||
if (width < 300)
|
||||
width = 300;
|
||||
if (height < 200)
|
||||
height = 200;
|
||||
|
||||
if (framebuffer_resize(nsfb, width, height, febpp) == false) {
|
||||
return;
|
||||
}
|
||||
|
||||
fbtk_set_pos_and_size(root, 0, 0, width, height);
|
||||
|
||||
fewidth = width;
|
||||
feheight = height;
|
||||
|
||||
for (gw = window_list; gw != NULL; gw = gw->next) {
|
||||
resize_normal_browser_window(gw,
|
||||
nsoption_int(fb_furniture_size));
|
||||
}
|
||||
|
||||
fbtk_request_redraw(root);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Local Variables:
|
||||
|
||||
@ -20,6 +20,7 @@
|
||||
#define NETSURF_FB_GUI_H
|
||||
|
||||
typedef struct fb_cursor_s fb_cursor_t;
|
||||
typedef struct fbtk_widget_s fbtk_widget_t;
|
||||
|
||||
/* bounding box */
|
||||
typedef struct nsfb_bbox_s bbox_t;
|
||||
@ -41,16 +42,25 @@ struct gui_window {
|
||||
struct fbtk_widget_s *window;
|
||||
struct fbtk_widget_s *back;
|
||||
struct fbtk_widget_s *forward;
|
||||
struct fbtk_widget_s *history;
|
||||
struct fbtk_widget_s *stop;
|
||||
struct fbtk_widget_s *reload;
|
||||
struct fbtk_widget_s *close;
|
||||
struct fbtk_widget_s *url;
|
||||
struct fbtk_widget_s *status;
|
||||
struct fbtk_widget_s *throbber;
|
||||
struct fbtk_widget_s *hscroll;
|
||||
struct fbtk_widget_s *vscroll;
|
||||
struct fbtk_widget_s *browser;
|
||||
struct fbtk_widget_s *toolbar;
|
||||
struct fbtk_widget_s *bottom_right;
|
||||
|
||||
int throbber_index;
|
||||
|
||||
struct gui_localhistory *localhistory;
|
||||
|
||||
struct gui_window *next;
|
||||
struct gui_window *prev;
|
||||
};
|
||||
|
||||
|
||||
@ -59,6 +69,8 @@ extern struct gui_window *window_list;
|
||||
struct gui_localhistory *fb_create_localhistory(struct browser_window *bw, struct fbtk_widget_s *parent, int furniture_width);
|
||||
void fb_localhistory_map(struct gui_localhistory * glh);
|
||||
|
||||
void gui_resize(fbtk_widget_t *root, int width, int height);
|
||||
|
||||
|
||||
#endif /* NETSURF_FB_GUI_H */
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user