Differential D8586 Diff 27891 source/blender/editors/interface/interface_align.c

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source/blender/editors/interface/interface_align.c

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/** \file		/** \file
* \ingroup edinterface		* \ingroup edinterface
*/		*/

#include "DNA_screen_types.h"		#include "DNA_screen_types.h"
#include "DNA_userdef_types.h"		#include "DNA_userdef_types.h"

		#include "BLI_listbase.h"
#include "BLI_math.h"		#include "BLI_math.h"
#include "BLI_rect.h"		#include "BLI_rect.h"

#include "UI_interface.h"		#include "UI_interface.h"

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

#include "MEM_guardedalloc.h"		#include "MEM_guardedalloc.h"
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* Compute the alignment of all 'align groups' of buttons in given block.		* Compute the alignment of all 'align groups' of buttons in given block.
*		*
* This is using an order-independent algorithm,		* This is using an order-independent algorithm,
* i.e. alignment of buttons should be OK regardless of order in which		* i.e. alignment of buttons should be OK regardless of order in which
* they are added to the block.		* they are added to the block.
*/		*/
void ui_block_align_calc(uiBlock block, const ARegion region)		void ui_block_align_calc(uiBlock block, const ARegion region)
{		{
uiBut *but;
int num_buttons = 0;		int num_buttons = 0;

const int sides_to_ui_but_align_flags[4] = SIDE_TO_UI_BUT_ALIGN;		const int sides_to_ui_but_align_flags[4] = SIDE_TO_UI_BUT_ALIGN;

ButAlign *butal_array;		ButAlign *butal_array;
ButAlign butal, butal_other;		ButAlign butal, butal_other;
int side;		int side;
int i, j;		int i, j;

/* First loop: we count number of buttons belonging to an align group,		/* First loop: we count number of buttons belonging to an align group,
* and clear their align flag.		* and clear their align flag.
* Tabs get some special treatment here, they get aligned to region border. */		* Tabs get some special treatment here, they get aligned to region border. */
for (but = block->buttons.first; but; but = but->next) {		LISTBASE_FOREACH (uiBut *, but, &block->buttons) {
/* special case: tabs need to be aligned to a region border, drawflag tells which one */		/* special case: tabs need to be aligned to a region border, drawflag tells which one */
if (but->type == UI_BTYPE_TAB) {		if (but->type == UI_BTYPE_TAB) {
ui_block_align_but_to_region(but, region);		ui_block_align_but_to_region(but, region);
}		}
else {		else {
/* Clear old align flags. */		/* Clear old align flags. */
but->drawflag &= ~UI_BUT_ALIGN_ALL;		but->drawflag &= ~UI_BUT_ALIGN_ALL;
}		}
Show All 16 Lines	if (num_buttons <= ARRAY_SIZE(butal_array_buf)) {
butal_array = butal_array_buf;		butal_array = butal_array_buf;
}		}
else {		else {
butal_array = MEM_mallocN(sizeof(butal_array) num_buttons, __func__);		butal_array = MEM_mallocN(sizeof(butal_array) num_buttons, __func__);
}		}
memset(butal_array, 0, sizeof(butal_array) (size_t)num_buttons);		memset(butal_array, 0, sizeof(butal_array) (size_t)num_buttons);

/* Second loop: we initialize our ButAlign data for each button. */		/* Second loop: we initialize our ButAlign data for each button. */
for (but = block->buttons.first, butal = butal_array; but; but = but->next) {		butal = butal_array;
		LISTBASE_FOREACH (uiBut *, but, &block->buttons) {
if (but->alignnr != 0) {		if (but->alignnr != 0) {
butal->but = but;		butal->but = but;
butal->borders[LEFT] = &but->rect.xmin;		butal->borders[LEFT] = &but->rect.xmin;
butal->borders[RIGHT] = &but->rect.xmax;		butal->borders[RIGHT] = &but->rect.xmax;
butal->borders[DOWN] = &but->rect.ymin;		butal->borders[DOWN] = &but->rect.ymin;
butal->borders[TOP] = &but->rect.ymax;		butal->borders[TOP] = &but->rect.ymax;
copy_v4_fl(butal->dists, FLT_MAX);		copy_v4_fl(butal->dists, FLT_MAX);
butal++;		butal++;
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}		}
}		}
}		}
}		}
}		}

void ui_block_align_calc(uiBlock block, const struct ARegion UNUSED(region))		void ui_block_align_calc(uiBlock block, const struct ARegion UNUSED(region))
{		{
uiBut *but;
short nr;		short nr;

/* align buttons with same align nr */		/* align buttons with same align nr */
for (but = block->buttons.first; but;) {		LISTBASE_FOREACH (uiBut *, but, &block->buttons) {
if (but->alignnr) {		if (but->alignnr) {
nr = but->alignnr;		nr = but->alignnr;
ui_block_align_calc_but(but, nr);		ui_block_align_calc_but(but, nr);

/* skip with same number */		/* skip with same number */
for (; but && but->alignnr == nr; but = but->next) {		for (; but && but->alignnr == nr; but = but->next) {
/* pass */		/* pass */
}		}
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