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Differential D8076 Diff 26180 source/blender/editors/interface/view2d_ops.c

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source/blender/editors/interface/view2d_ops.c

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/* initialize customdata for scroller manipulation operator */ /* initialize customdata for scroller manipulation operator */
static void scroller_activate_init(bContext *C, static void scroller_activate_init(bContext *C,
wmOperator *op, wmOperator *op,
const wmEvent *event, const wmEvent *event,
const char in_scroller) const char in_scroller)
{ {
v2dScrollerMove *vsm; v2dScrollerMove *vsm;
View2DScrollers *scrollers; View2DScrollers scrollers;
ARegion *region = CTX_wm_region(C); ARegion *region = CTX_wm_region(C);
View2D *v2d = &region->v2d; View2D *v2d = &region->v2d;
rctf tot_cur_union; rctf tot_cur_union;
float mask_size; float mask_size;
/* set custom-data for operator */ /* set custom-data for operator */
vsm = MEM_callocN(sizeof(v2dScrollerMove), "v2dScrollerMove"); vsm = MEM_callocN(sizeof(v2dScrollerMove), "v2dScrollerMove");
op->customdata = vsm; op->customdata = vsm;
/* set general data */ /* set general data */
vsm->v2d = v2d; vsm->v2d = v2d;
vsm->region = region; vsm->region = region;
vsm->scroller = in_scroller; vsm->scroller = in_scroller;
/* store mouse-coordinates, and convert mouse/screen coordinates to region coordinates */ /* store mouse-coordinates, and convert mouse/screen coordinates to region coordinates */
vsm->lastx = event->x; vsm->lastx = event->x;
vsm->lasty = event->y; vsm->lasty = event->y;
/* 'zone' depends on where mouse is relative to bubble /* 'zone' depends on where mouse is relative to bubble
* - zooming must be allowed on this axis, otherwise, default to pan * - zooming must be allowed on this axis, otherwise, default to pan
*/ */
scrollers = UI_view2d_scrollers_calc(v2d, NULL); UI_view2d_scrollers_calc(v2d, NULL, &scrollers);
/* Use a union of 'cur' & 'tot' in case the current view is far outside 'tot'. In this cases /* Use a union of 'cur' & 'tot' in case the current view is far outside 'tot'. In this cases
* moving the scroll bars has far too little effect and the view can get stuck T31476. */ * moving the scroll bars has far too little effect and the view can get stuck T31476. */
tot_cur_union = v2d->tot; tot_cur_union = v2d->tot;
BLI_rctf_union(&tot_cur_union, &v2d->cur); BLI_rctf_union(&tot_cur_union, &v2d->cur);
if (in_scroller == 'h') { if (in_scroller == 'h') {
/* horizontal scroller - calculate adjustment factor first */ /* horizontal scroller - calculate adjustment factor first */
mask_size = (float)BLI_rcti_size_x(&v2d->hor); mask_size = (float)BLI_rcti_size_x(&v2d->hor);
vsm->fac = BLI_rctf_size_x(&tot_cur_union) / mask_size; vsm->fac = BLI_rctf_size_x(&tot_cur_union) / mask_size;
/* pixel rounding */ /* pixel rounding */
vsm->fac_round = (BLI_rctf_size_x(&v2d->cur)) / (float)(BLI_rcti_size_x(&region->winrct) + 1); vsm->fac_round = (BLI_rctf_size_x(&v2d->cur)) / (float)(BLI_rcti_size_x(&region->winrct) + 1);
/* get 'zone' (i.e. which part of scroller is activated) */ /* get 'zone' (i.e. which part of scroller is activated) */
vsm->zone = mouse_in_scroller_handle( vsm->zone = mouse_in_scroller_handle(
event->mval[0], v2d->hor.xmin, v2d->hor.xmax, scrollers->hor_min, scrollers->hor_max); event->mval[0], v2d->hor.xmin, v2d->hor.xmax, scrollers.hor_min, scrollers.hor_max);
if ((v2d->keepzoom & V2D_LOCKZOOM_X) && ELEM(vsm->zone, SCROLLHANDLE_MIN, SCROLLHANDLE_MAX)) { if ((v2d->keepzoom & V2D_LOCKZOOM_X) && ELEM(vsm->zone, SCROLLHANDLE_MIN, SCROLLHANDLE_MAX)) {
/* default to scroll, as handles not usable */ /* default to scroll, as handles not usable */
vsm->zone = SCROLLHANDLE_BAR; vsm->zone = SCROLLHANDLE_BAR;
} }
vsm->scrollbarwidth = scrollers->hor_max - scrollers->hor_min; vsm->scrollbarwidth = scrollers.hor_max - scrollers.hor_min;
vsm->scrollbar_orig = ((scrollers->hor_max + scrollers->hor_min) / 2) + region->winrct.xmin; vsm->scrollbar_orig = ((scrollers.hor_max + scrollers.hor_min) / 2) + region->winrct.xmin;
} }
else { else {
/* vertical scroller - calculate adjustment factor first */ /* vertical scroller - calculate adjustment factor first */
mask_size = (float)BLI_rcti_size_y(&v2d->vert); mask_size = (float)BLI_rcti_size_y(&v2d->vert);
vsm->fac = BLI_rctf_size_y(&tot_cur_union) / mask_size; vsm->fac = BLI_rctf_size_y(&tot_cur_union) / mask_size;
/* pixel rounding */ /* pixel rounding */
vsm->fac_round = (BLI_rctf_size_y(&v2d->cur)) / (float)(BLI_rcti_size_y(&region->winrct) + 1); vsm->fac_round = (BLI_rctf_size_y(&v2d->cur)) / (float)(BLI_rcti_size_y(&region->winrct) + 1);
/* get 'zone' (i.e. which part of scroller is activated) */ /* get 'zone' (i.e. which part of scroller is activated) */
vsm->zone = mouse_in_scroller_handle( vsm->zone = mouse_in_scroller_handle(
event->mval[1], v2d->vert.ymin, v2d->vert.ymax, scrollers->vert_min, scrollers->vert_max); event->mval[1], v2d->vert.ymin, v2d->vert.ymax, scrollers.vert_min, scrollers.vert_max);
if ((v2d->keepzoom & V2D_LOCKZOOM_Y) && ELEM(vsm->zone, SCROLLHANDLE_MIN, SCROLLHANDLE_MAX)) { if ((v2d->keepzoom & V2D_LOCKZOOM_Y) && ELEM(vsm->zone, SCROLLHANDLE_MIN, SCROLLHANDLE_MAX)) {
/* default to scroll, as handles not usable */ /* default to scroll, as handles not usable */
vsm->zone = SCROLLHANDLE_BAR; vsm->zone = SCROLLHANDLE_BAR;
} }
vsm->scrollbarwidth = scrollers->vert_max - scrollers->vert_min; vsm->scrollbarwidth = scrollers.vert_max - scrollers.vert_min;
vsm->scrollbar_orig = ((scrollers->vert_max + scrollers->vert_min) / 2) + region->winrct.ymin; vsm->scrollbar_orig = ((scrollers.vert_max + scrollers.vert_min) / 2) + region->winrct.ymin;
} }
UI_view2d_scrollers_free(scrollers);
ED_region_tag_redraw_no_rebuild(region); ED_region_tag_redraw_no_rebuild(region);
} }
/* cleanup temp customdata */ /* cleanup temp customdata */
static void scroller_activate_exit(bContext *C, wmOperator *op) static void scroller_activate_exit(bContext *C, wmOperator *op)
{ {
if (op->customdata) { if (op->customdata) {
v2dScrollerMove *vsm = op->customdata; v2dScrollerMove *vsm = op->customdata;
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