Differential D11791 Diff 40163 source/blender/editors/interface/interface_utils.c

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source/blender/editors/interface/interface_utils.c

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#include <ctype.h>		#include <ctype.h>
#include <stdio.h>		#include <stdio.h>
#include <stdlib.h>		#include <stdlib.h>
#include <string.h>		#include <string.h>

#include "DNA_object_types.h"		#include "DNA_object_types.h"
#include "DNA_screen_types.h"		#include "DNA_screen_types.h"

		#include "ED_screen.h"

#include "BLI_alloca.h"		#include "BLI_alloca.h"
#include "BLI_listbase.h"		#include "BLI_listbase.h"
#include "BLI_math.h"		#include "BLI_math.h"
#include "BLI_string.h"		#include "BLI_string.h"
#include "BLI_string_search.h"		#include "BLI_string_search.h"
#include "BLI_utildefines.h"		#include "BLI_utildefines.h"

#include "BLT_translation.h"		#include "BLT_translation.h"

		#include "BKE_context.h"
#include "BKE_lib_id.h"		#include "BKE_lib_id.h"
#include "BKE_report.h"		#include "BKE_report.h"

#include "MEM_guardedalloc.h"		#include "MEM_guardedalloc.h"

#include "RNA_access.h"		#include "RNA_access.h"

#include "UI_interface.h"		#include "UI_interface.h"
#include "UI_interface_icons.h"		#include "UI_interface_icons.h"
#include "UI_resources.h"		#include "UI_resources.h"
		#include "UI_view2d.h"

#include "WM_api.h"		#include "WM_api.h"
#include "WM_types.h"		#include "WM_types.h"

#include "interface_intern.h"		#include "interface_intern.h"

/************************* RNA Utilities ****************************/		/************************* RNA Utilities ****************************/

▲ Show 20 Lines • Show All 710 Lines • ▼ Show 20 Lines	if (but) {
return UI_but_online_manual_id(but, r_str, maxlength);		return UI_but_online_manual_id(but, r_str, maxlength);
}		}

*r_str = '\0';		*r_str = '\0';
return false;		return false;
}		}

/* -------------------------------------------------------------------- */		/* -------------------------------------------------------------------- */

		static rctf ui_but_rect_to_view(const uiBut but, const ARegion region, const View2D *v2d)
		{
		rctf region_rect;
		ui_block_to_region_rctf(region, but->block, &region_rect, &but->rect);

		rctf view_rect;
		UI_view2d_region_to_view_rctf(v2d, &region_rect, &view_rect);

		return view_rect;
		}

		/**
		* To get a margin (typically wanted), add the margin to \a rect directly.
		*
		* Based on #file_ensure_inside_viewbounds(), could probably share code.
		*
		* \return true if anything changed.
		*/
		static bool ui_view2d_cur_ensure_rect_in_view(View2D v2d, const rctf rect)
		{
		const float rect_width = BLI_rctf_size_x(rect);
		const float rect_height = BLI_rctf_size_y(rect);

		rctf *cur = &v2d->cur;
		const float cur_width = BLI_rctf_size_x(cur);
		const float cur_height = BLI_rctf_size_y(cur);

		bool changed = false;

		/* Snap to bottom edge. Also use if rect is higher than view bounds (could be a parameter). */
		if ((cur->ymin > rect->ymin) \|\| (rect_height > cur_height)) {
		cur->ymin = rect->ymin;
		cur->ymax = cur->ymin + cur_height;
		changed = true;
		}
		/* Snap to upper edge. */
		else if (cur->ymax < rect->ymax) {
		cur->ymax = rect->ymax;
		cur->ymin = cur->ymax - cur_height;
		changed = true;
		}
		/* Snap to left edge. Also use if rect is wider than view bounds. */
		else if ((cur->xmin > rect->xmin) \|\| (rect_width > cur_width)) {
		cur->xmin = rect->xmin;
		cur->xmax = cur->xmin + cur_width;
		changed = true;
		}
		/* Snap to right edge. */
		else if (cur->xmax < rect->xmax) {
		cur->xmax = rect->xmax;
		cur->xmin = cur->xmax - cur_width;
		changed = true;
		}
		else {
		BLI_assert(BLI_rctf_inside_rctf(cur, rect));
		}

		return changed;
		}

		/**
		* Adjust the view so the rectangle of \a but is in view, with some extra margin.
		*
		* It's important that this is only executed after buttons received their final #uiBut.rect. E.g.
		* #UI_panels_end() modifies them, so if that is executed, this function must not be called before
		* it.
		*
		* \param region: The region the button is placed in. Make sure this is actually the one the button
		* is placed in, not just the context region.
		*/
		void UI_but_ensure_in_view(const bContext C, ARegion region, const uiBut *but)
		{
		View2D *v2d = &region->v2d;
		/* Uninitialized view or region that doesn't use View2D. */
		if ((v2d->flag & V2D_IS_INIT) == 0) {
		return;
		}

		rctf rect = ui_but_rect_to_view(but, region, v2d);

		const int margin = UI_UNIT_X * 0.5f;
		BLI_rctf_pad(&rect, margin, margin);

		const bool changed = ui_view2d_cur_ensure_rect_in_view(v2d, &rect);
		if (changed) {
		UI_view2d_curRect_changed(C, v2d);
		ED_region_tag_redraw_no_rebuild(region);
		}
		}

		/* -------------------------------------------------------------------- */
/** \name Button Store		/** \name Button Store
*		*
* Modal Button Store API.		* Modal Button Store API.
*		*
* Store for modal operators & handlers to register button pointers		* Store for modal operators & handlers to register button pointers
* which are maintained while drawing or NULL when removed.		* which are maintained while drawing or NULL when removed.
*		*
* This is needed since button pointers are continuously freed and re-allocated.		* This is needed since button pointers are continuously freed and re-allocated.
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