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path: root/source/blender/editors/space_text/text_draw.c
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Diffstat (limited to 'source/blender/editors/space_text/text_draw.c')
-rw-r--r--source/blender/editors/space_text/text_draw.c128
1 files changed, 98 insertions, 30 deletions
diff --git a/source/blender/editors/space_text/text_draw.c b/source/blender/editors/space_text/text_draw.c
index af827d6dc5a..462b619f497 100644
--- a/source/blender/editors/space_text/text_draw.c
+++ b/source/blender/editors/space_text/text_draw.c
@@ -28,8 +28,6 @@
* \ingroup sptext
*/
-
-
#include "MEM_guardedalloc.h"
#include "BLF_api.h"
@@ -44,6 +42,9 @@
#include "BKE_context.h"
#include "BKE_suggestions.h"
#include "BKE_text.h"
+#include "BKE_screen.h"
+
+#include "ED_text.h"
#include "BIF_gl.h"
@@ -381,7 +382,9 @@ static int text_draw_wrapped(SpaceText *st, const char *str, int x, int y, int w
int a, fstart, fpos; /* utf8 chars */
int mi, ma, mstart, mend; /* mem */
char fmt_prev = 0xff;
-
+ /* don't draw lines below this */
+ const int clip_min_y = -(int)(st->lheight_dpi - 1);
+
flatten_string(st, &fs, str);
str = fs.buf;
max = w / st->cwidth;
@@ -424,7 +427,8 @@ static int text_draw_wrapped(SpaceText *st, const char *str, int x, int y, int w
mend = txt_utf8_forward_columns(str + mend, max, &padding) - str;
end = (wrap += max - padding);
- if (y <= 0) break;
+ if (y <= clip_min_y)
+ break;
}
else if (str[mi] == ' ' || str[mi] == '-') {
wrap = i + 1; mend = mi + 1;
@@ -432,7 +436,7 @@ static int text_draw_wrapped(SpaceText *st, const char *str, int x, int y, int w
}
/* Draw the remaining text */
- for (a = fstart, ma = mstart; str[ma] && y > 0; a++, ma += BLI_str_utf8_size_safe(str + ma)) {
+ for (a = fstart, ma = mstart; str[ma] && y > clip_min_y; a++, ma += BLI_str_utf8_size_safe(str + ma)) {
if (use_syntax) {
if (fmt_prev != format[a]) format_draw_color(fmt_prev = format[a]);
}
@@ -519,7 +523,7 @@ static void text_drawcache_init(SpaceText *st)
DrawCache *drawcache = MEM_callocN(sizeof(DrawCache), "text draw cache");
drawcache->winx = -1;
- drawcache->nlines = BLI_countlist(&st->text->lines);
+ drawcache->nlines = BLI_listbase_count(&st->text->lines);
drawcache->text_id[0] = '\0';
st->drawcache = drawcache;
@@ -545,7 +549,7 @@ static void text_update_drawcache(SpaceText *st, ARegion *ar)
full_update |= drawcache->tabnumber != st->tabnumber; /* word-wrapping option was toggled */
full_update |= drawcache->lheight != st->lheight_dpi; /* word-wrapping option was toggled */
full_update |= drawcache->cwidth != st->cwidth; /* word-wrapping option was toggled */
- full_update |= strncmp(drawcache->text_id, txt->id.name, MAX_ID_NAME); /* text datablock was changed */
+ full_update |= !STREQLEN(drawcache->text_id, txt->id.name, MAX_ID_NAME); /* text datablock was changed */
if (st->wordwrap) {
/* update line heights */
@@ -560,7 +564,7 @@ static void text_update_drawcache(SpaceText *st, ARegion *ar)
int lineno = 0, size, lines_count;
int *fp = drawcache->line_height, *new_tail, *old_tail;
- nlines = BLI_countlist(&txt->lines);
+ nlines = BLI_listbase_count(&txt->lines);
size = sizeof(int) * nlines;
if (fp) fp = MEM_reallocN(fp, size);
@@ -605,7 +609,7 @@ static void text_update_drawcache(SpaceText *st, ARegion *ar)
}
if (full_update || drawcache->update_flag) {
- nlines = BLI_countlist(&txt->lines);
+ nlines = BLI_listbase_count(&txt->lines);
if (st->showlinenrs)
st->linenrs_tot = (int)floor(log10((float)nlines)) + 1;
@@ -892,15 +896,15 @@ static void draw_textscroll(SpaceText *st, rcti *scroll, rcti *back)
UI_ThemeColor(TH_BACK);
glRecti(back->xmin, back->ymin, back->xmax, back->ymax);
- uiWidgetScrollDraw(&wcol, scroll, &st->txtbar, (st->flags & ST_SCROLL_SELECT) ? UI_SCROLL_PRESSED : 0);
+ UI_draw_widget_scroll(&wcol, scroll, &st->txtbar, (st->flags & ST_SCROLL_SELECT) ? UI_SCROLL_PRESSED : 0);
- uiSetRoundBox(UI_CNR_ALL);
+ UI_draw_roundbox_corner_set(UI_CNR_ALL);
rad = 0.4f * min_ii(BLI_rcti_size_x(&st->txtscroll), BLI_rcti_size_y(&st->txtscroll));
UI_GetThemeColor3ubv(TH_HILITE, col);
col[3] = 48;
glColor4ubv(col);
glEnable(GL_BLEND);
- uiRoundBox(st->txtscroll.xmin + 1, st->txtscroll.ymin, st->txtscroll.xmax - 1, st->txtscroll.ymax, rad);
+ UI_draw_roundbox(st->txtscroll.xmin + 1, st->txtscroll.ymin, st->txtscroll.xmax - 1, st->txtscroll.ymax, rad);
glDisable(GL_BLEND);
}
@@ -1034,7 +1038,7 @@ static void draw_suggestion_list(SpaceText *st, ARegion *ar)
x = MAX2(0, ar->winx - boxw);
/* not needed but stands out nicer */
- uiDrawBoxShadow(220, x, y - boxh, x + boxw, y);
+ UI_draw_box_shadow(220, x, y - boxh, x + boxw, y);
UI_ThemeColor(TH_SHADE1);
glRecti(x - 1, y + 1, x + boxw + 1, y - boxh - 1);
@@ -1323,6 +1327,8 @@ void draw_text_main(SpaceText *st, ARegion *ar)
int i, x, y, winx, linecount = 0, lineno = 0;
int wraplinecount = 0, wrap_skip = 0;
int margin_column_x;
+ /* don't draw lines below this */
+ const int clip_min_y = -(int)(st->lheight_dpi - 1);
/* if no text, nothing to do */
if (!text)
@@ -1330,7 +1336,7 @@ void draw_text_main(SpaceText *st, ARegion *ar)
/* dpi controlled line height and font size */
st->lheight_dpi = (U.widget_unit * st->lheight) / 20;
- st->viewlines = (st->lheight_dpi) ? (int)ar->winy / (st->lheight_dpi + TXT_LINE_SPACING) : 0;
+ st->viewlines = (st->lheight_dpi) ? (int)(ar->winy - clip_min_y) / (st->lheight_dpi + TXT_LINE_SPACING) : 0;
text_update_drawcache(st, ar);
@@ -1394,7 +1400,7 @@ void draw_text_main(SpaceText *st, ARegion *ar)
/* draw the text */
UI_ThemeColor(TH_TEXT);
- for (i = 0; y > 0 && i < st->viewlines && tmp; i++, tmp = tmp->next) {
+ for (i = 0; y > clip_min_y && i < st->viewlines && tmp; i++, tmp = tmp->next) {
if (st->showsyntax && !tmp->format)
tft->format_line(st, tmp, false);
@@ -1441,7 +1447,6 @@ void draw_text_main(SpaceText *st, ARegion *ar)
/* draw other stuff */
draw_brackets(st, ar);
- glTranslatef(GLA_PIXEL_OFS, GLA_PIXEL_OFS, 0.0f); /* XXX scroll requires exact pixel space */
draw_textscroll(st, &scroll, &back);
draw_documentation(st, ar);
draw_suggestion_list(st, ar);
@@ -1461,22 +1466,15 @@ void text_update_character_width(SpaceText *st)
/* Moves the view to the cursor location,
* also used to make sure the view isn't outside the file */
-void text_scroll_to_cursor(SpaceText *st, ScrArea *sa)
+void text_scroll_to_cursor(SpaceText *st, ARegion *ar, const bool center)
{
Text *text;
- ARegion *ar = NULL;
- int i, x, winx = 0;
+ int i, x, winx = ar->winx;
if (ELEM(NULL, st, st->text, st->text->curl)) return;
text = st->text;
- for (ar = sa->regionbase.first; ar; ar = ar->next)
- if (ar->regiontype == RGN_TYPE_WINDOW) {
- winx = ar->winx;
- break;
- }
-
text_update_character_width(st);
i = txt_get_span(text->lines.first, text->sell);
@@ -1486,8 +1484,19 @@ void text_scroll_to_cursor(SpaceText *st, ScrArea *sa)
i += offl;
}
- if (st->top + st->viewlines <= i || st->top > i)
- st->top = i - st->viewlines / 2;
+ if (center) {
+ if (st->top + st->viewlines <= i || st->top > i) {
+ st->top = i - st->viewlines / 2;
+ }
+ }
+ else {
+ if (st->top + st->viewlines <= i) {
+ st->top = i - (st->viewlines - 1);
+ }
+ else if (st->top > i) {
+ st->top = i;
+ }
+ }
if (st->wordwrap) {
st->left = 0;
@@ -1496,8 +1505,19 @@ void text_scroll_to_cursor(SpaceText *st, ScrArea *sa)
x = st->cwidth * (text_get_char_pos(st, text->sell->line, text->selc) - st->left);
winx -= TXT_OFFSET + (st->showlinenrs ? TEXTXLOC : 0) + TXT_SCROLL_WIDTH;
- if (x <= 0 || x > winx)
- st->left += (x - winx / 2) / st->cwidth;
+ if (center) {
+ if (x <= 0 || x > winx) {
+ st->left += (x - winx / 2) / st->cwidth;
+ }
+ }
+ else {
+ if (x <= 0) {
+ st->left += ((x + 1) / st->cwidth) - 1;
+ }
+ else if (x > winx) {
+ st->left += ((x - (winx + 1)) / st->cwidth) + 1;
+ }
+ }
}
if (st->top < 0) st->top = 0;
@@ -1507,10 +1527,58 @@ void text_scroll_to_cursor(SpaceText *st, ScrArea *sa)
st->scroll_accum[1] = 0.0f;
}
+/* takes an area instead of a region, use for listeners */
+void text_scroll_to_cursor__area(SpaceText *st, ScrArea *sa, const bool center)
+{
+ ARegion *ar;
+
+ if (ELEM(NULL, st, st->text, st->text->curl)) return;
+
+ ar = BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
+
+ if (ar) {
+ text_scroll_to_cursor(st, ar, center);
+ }
+}
+
void text_update_cursor_moved(bContext *C)
{
ScrArea *sa = CTX_wm_area(C);
SpaceText *st = CTX_wm_space_text(C);
- text_scroll_to_cursor(st, sa);
+ text_scroll_to_cursor__area(st, sa, true);
+}
+
+/**
+ * Takes a cursor (row, character) and returns x,y pixel coords.
+ */
+bool ED_text_region_location_from_cursor(SpaceText *st, ARegion *ar, const int cursor_co[2], int r_pixel_co[2])
+{
+ TextLine *line = NULL;
+
+ if (!st->text) {
+ goto error;
+ }
+
+ line = BLI_findlink(&st->text->lines, cursor_co[0]);
+ if (!line || (cursor_co[1] < 0) || (cursor_co[1] > line->len)) {
+ goto error;
+ }
+ else {
+ int offl, offc;
+ int linenr_offset = st->showlinenrs ? TXT_OFFSET + TEXTXLOC : TXT_OFFSET;
+ /* handle tabs as well! */
+ int char_pos = text_get_char_pos(st, line->line, cursor_co[1]);
+
+ wrap_offset(st, ar, line, cursor_co[1], &offl, &offc);
+ r_pixel_co[0] = (char_pos + offc - st->left) * st->cwidth + linenr_offset;
+ r_pixel_co[1] = (cursor_co[0] + offl - st->top) * (st->lheight_dpi + TXT_LINE_SPACING);
+ r_pixel_co[1] = (ar->winy - (r_pixel_co[1] + TXT_OFFSET)) - st->lheight_dpi;
+ }
+ return true;
+
+
+error:
+ r_pixel_co[0] = r_pixel_co[1] = -1;
+ return false;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 14:47:07 +0300