[Bf-blender-cvs] [d963bdf] master: UI: more fixes for text clipping

[Campbell Barton]

Commit: d963bdf7d9f39b87ef6698ca7f267b3af58160e4
Author: Campbell Barton
Date:   Wed Dec 18 17:11:38 2013 +1100
http://developer.blender.org/rBd963bdf7d9f39b87ef6698ca7f267b3af58160e4

UI: more fixes for text clipping

Were still cases where numbers could be clipped incorrectly and icon
size was accounted for twice when left clipping (error in own recent commit).

===================================================================

M	source/blender/editors/interface/interface_widgets.c

===================================================================

diff --git a/source/blender/editors/interface/interface_widgets.c b/source/blender/editors/interface/interface_widgets.c
index af55203..8c49d8c 100644
--- a/source/blender/editors/interface/interface_widgets.c
+++ b/source/blender/editors/interface/interface_widgets.c
@@ -60,6 +60,9 @@
 
 #include "interface_intern.h"
 
+/* icons are 80% of height of button (16 pixels inside 20 height) */
+#define ICON_SIZE_FROM_BUTRECT(rect) (0.8f * BLI_rcti_size_y(rect))
+
 /* ************** widget base functions ************** */
 /*
  * - in: roundbox codes for corner types and radius
@@ -822,6 +825,8 @@ static void widgetbase_draw(uiWidgetBase *wtb, uiWidgetColors *wcol)
 
 /* *********************** text/icon ************************************** */
 
+#define UI_TEXT_CLIP_MARGIN (0.25f * U.widget_unit / but->block->aspect)
+
 #define PREVIEW_PAD 4
 
 static void widget_draw_preview(BIFIconID icon, float UNUSED(alpha), const rcti *rect)
@@ -845,14 +850,14 @@ static void widget_draw_preview(BIFIconID icon, float UNUSED(alpha), const rcti
 }
 
 
-static int ui_but_draw_menu_icon(uiBut *but)
+static int ui_but_draw_menu_icon(const uiBut *but)
 {
 	return (but->flag & UI_ICON_SUBMENU) && (but->dt == UI_EMBOSSP);
 }
 
 /* icons have been standardized... and this call draws in untransformed coordinates */
 
-static void widget_draw_icon(uiBut *but, BIFIconID icon, float alpha, const rcti *rect)
+static void widget_draw_icon(const uiBut *but, BIFIconID icon, float alpha, const rcti *rect)
 {
 	float xs = 0.0f, ys = 0.0f;
 	float aspect, height;
@@ -950,15 +955,8 @@ static void ui_text_clip_give_next_off(uiBut *but)
  */
 static void ui_text_clip_left(uiFontStyle *fstyle, uiBut *but, const rcti *rect)
 {
-	int border = (but->drawflag & UI_BUT_ALIGN_RIGHT) ? 8 : 10;
-	int okwidth = BLI_rcti_size_x(rect) - border;
-
-	if (but->flag & UI_HAS_ICON)
-		okwidth -= UI_DPI_ICON_SIZE;
-	if ((but->type == SEARCH_MENU_UNLINK) && ui_is_but_search_unlink_visible(but))
-		okwidth -= BLI_rcti_size_y(rect);
-
-	okwidth = max_ii(okwidth, 0);
+	const int border = UI_TEXT_CLIP_MARGIN + 1;
+	const int okwidth = max_ii(BLI_rcti_size_x(rect) - border, 0);
 
 	/* need to set this first */
 	uiStyleFontSet(fstyle);
@@ -986,9 +984,8 @@ static void ui_text_clip_left(uiFontStyle *fstyle, uiBut *but, const rcti *rect)
  */
 static void ui_text_clip_cursor(uiFontStyle *fstyle, uiBut *but, const rcti *rect)
 {
-	int border = (but->drawflag & UI_BUT_ALIGN_RIGHT) ? 8 : 10;
-	int okwidth = max_ii(BLI_rcti_size_x(rect) - border, 0);
-	if (but->flag & UI_HAS_ICON) okwidth -= UI_DPI_ICON_SIZE;
+	const int border = UI_TEXT_CLIP_MARGIN + 1;
+	const int okwidth = max_ii(BLI_rcti_size_x(rect) - border, 0);
 
 	BLI_assert(but->editstr && but->pos >= 0);
 
@@ -1046,7 +1043,7 @@ static void ui_text_clip_cursor(uiFontStyle *fstyle, uiBut *but, const rcti *rec
  */
 static void ui_text_clip_right_label(uiFontStyle *fstyle, uiBut *but, const rcti *rect)
 {
-	const int border = 4;
+	const int border = UI_TEXT_CLIP_MARGIN + 1;
 	const int okwidth = max_ii(BLI_rcti_size_x(rect) - border, 0);
 	char *cpoin = NULL;
 	int drawstr_len = strlen(but->drawstr);
@@ -1256,7 +1253,7 @@ static void widget_draw_text(uiFontStyle *fstyle, uiWidgetColors *wcol, uiBut *b
 	/* part text right aligned */
 	if (drawstr_right) {
 		fstyle->align = UI_STYLE_TEXT_RIGHT;
-		rect->xmax -= 0.25f * U.widget_unit / but->block->aspect;
+		rect->xmax -= UI_TEXT_CLIP_MARGIN;
 		uiStyleFontDraw(fstyle, rect, drawstr_right);
 	}
 }
@@ -1284,7 +1281,7 @@ static void widget_draw_text_icon(uiFontStyle *fstyle, uiWidgetColors *wcol, uiB
 
 	if (but->flag & UI_HAS_ICON) {
 		widget_draw_icon(but, but->icon + but->iconadd, alpha, rect);
-		rect->xmin += 0.8f * BLI_rcti_size_y(rect);
+		rect->xmin += ICON_SIZE_FROM_BUTRECT(rect);
 	}
 
 	if (but->editstr || (but->drawflag & UI_BUT_TEXT_LEFT)) {
@@ -1293,13 +1290,14 @@ static void widget_draw_text_icon(uiFontStyle *fstyle, uiWidgetColors *wcol, uiB
 	else if ((but->drawflag & UI_BUT_TEXT_RIGHT)) {
 		rect->xmax -= (UI_TEXT_MARGIN_X * U.widget_unit) / but->block->aspect;
 	}
-	
+
 	/* unlink icon for this button type */
 	if ((but->type == SEARCH_MENU_UNLINK) && ui_is_but_search_unlink_visible(but)) {
 		rcti temp = *rect;
 
 		temp.xmin = temp.xmax - (BLI_rcti_size_y(rect) * 1.08f);
 		widget_draw_icon(but, ICON_X, alpha, &temp);
+		rect->xmax -= ICON_SIZE_FROM_BUTRECT(rect);
 	}
 
 	/* clip but->drawstr to fit in available space */
@@ -1325,6 +1323,7 @@ static void widget_draw_text_icon(uiFontStyle *fstyle, uiWidgetColors *wcol, uiB
 	ui_button_text_password_hide(password_str, but, TRUE);
 }
 
+#undef UI_TEXT_CLIP_MARGIN
 
 
 /* *********************** widget types ************************************* */
@@ -3547,9 +3546,8 @@ void ui_draw_menu_item(uiFontStyle *fstyle, rcti *rect, const char *name, int ic
 		float height, aspect;
 		int xs = rect->xmin + 0.2f * UI_UNIT_X;
 		int ys = rect->ymin + 0.1f * BLI_rcti_size_y(rect);
-		
-		/* icons are 80% of height of button (16 pixels inside 20 height) */
-		height = 0.8f * BLI_rcti_size_y(rect);
+
+		height = ICON_SIZE_FROM_BUTRECT(rect);
 		aspect = ICON_DEFAULT_HEIGHT / height;
 		
 		glEnable(GL_BLEND);