diff options
Diffstat (limited to 'source/blender/editors/space_text/text_ops.c')
-rw-r--r-- | source/blender/editors/space_text/text_ops.c | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/source/blender/editors/space_text/text_ops.c b/source/blender/editors/space_text/text_ops.c index 95cb8078f7c..bc2875b68cd 100644 --- a/source/blender/editors/space_text/text_ops.c +++ b/source/blender/editors/space_text/text_ops.c @@ -2002,6 +2002,13 @@ static void screen_skip(SpaceText *st, ARegion *ar, int lines) if(st->top<0) st->top= 0; } +/* quick enum for tsc->zone (scroller handles) */ +enum { + SCROLLHANDLE_BAR, + SCROLLHANDLE_MIN_OUTSIDE, + SCROLLHANDLE_MAX_OUTSIDE +} TextScrollerHandle_Zone; + typedef struct TextScroll { short old[2]; short hold[2]; @@ -2011,6 +2018,8 @@ typedef struct TextScroll { int characters; int lines; int scrollbar; + + int zone; } TextScroll; static int scroll_exec(bContext *C, wmOperator *op) @@ -2087,13 +2096,30 @@ static void scroll_exit(bContext *C, wmOperator *op) static int scroll_modal(bContext *C, wmOperator *op, wmEvent *event) { + TextScroll *tsc= op->customdata; + SpaceText *st= CTX_wm_space_text(C); + ARegion *ar= CTX_wm_region(C); + switch(event->type) { case MOUSEMOVE: - scroll_apply(C, op, event); + if(tsc->zone == SCROLLHANDLE_BAR) + scroll_apply(C, op, event); break; case LEFTMOUSE: case RIGHTMOUSE: case MIDDLEMOUSE: + if(ELEM(tsc->zone, SCROLLHANDLE_MIN_OUTSIDE, SCROLLHANDLE_MAX_OUTSIDE)) { + int last; + + st->top+= st->viewlines * (tsc->zone==SCROLLHANDLE_MIN_OUTSIDE ? 1 : -1); + + last= text_get_total_lines(st, ar); + last= last - (st->viewlines/2); + + CLAMP(st->top, 0, last); + + ED_area_tag_redraw(CTX_wm_area(C)); + } scroll_exit(C, op); return OPERATOR_FINISHED; } @@ -2118,6 +2144,7 @@ static int scroll_invoke(bContext *C, wmOperator *op, wmEvent *event) tsc= MEM_callocN(sizeof(TextScroll), "TextScroll"); tsc->first= 1; + tsc->zone= SCROLLHANDLE_BAR; op->customdata= tsc; st->flags|= ST_SCROLL_SELECT; @@ -2174,18 +2201,32 @@ static int scroll_bar_invoke(bContext *C, wmOperator *op, wmEvent *event) ARegion *ar= CTX_wm_region(C); TextScroll *tsc; short *mval= event->mval; + int zone= -1; if(RNA_property_is_set(op->ptr, "lines")) return scroll_exec(C, op); /* verify we are in the right zone */ - if(!(mval[0]>ar->winx-TXT_SCROLL_WIDTH && mval[0]<ar->winx-TXT_SCROLL_SPACE - && mval[1]>TXT_SCROLL_SPACE && mval[1]<ar->winy)) + if(mval[0]>st->txtbar.xmin && mval[0]<st->txtbar.xmax) { + if(mval[1]>=st->txtbar.ymin && mval[1]<=st->txtbar.ymax) { + /* mouse inside scroll handle */ + zone = SCROLLHANDLE_BAR; + } + else if(mval[1]>TXT_SCROLL_SPACE && mval[1]<ar->winy-TXT_SCROLL_SPACE) { + if(mval[1]<st->txtbar.ymin) zone= SCROLLHANDLE_MIN_OUTSIDE; + else zone= SCROLLHANDLE_MAX_OUTSIDE; + } + } + + if(zone == -1) { + /* we are outside slider - nothing to do */ return OPERATOR_PASS_THROUGH; + } tsc= MEM_callocN(sizeof(TextScroll), "TextScroll"); tsc->first= 1; tsc->scrollbar= 1; + tsc->zone= zone; op->customdata= tsc; st->flags|= ST_SCROLL_SELECT; |