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Major improvements to text wrapping, acceptible but still character based

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This commit is contained in:
Simon 2010-11-03 15:51:02 +00:00
parent d1ce8e55df
commit 9a40e4924e
3 changed files with 40 additions and 8 deletions
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4
includes/graphics.h
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@ -93,10 +93,12 @@ int drawtextmax(pixel *vid, int x, int y, int w, char *s, int r, int g, int b, i
int textnwidth(char *s, int n);
int textnheight(char *s, int n, int w);
void textnpos(char *s, int n, int w, int *cx, int *cy);
int textwidthx(char *s, int w);
int textposxy(char *s, int width, int w, int h);
#ifdef WIN32
_inline void blendpixel(pixel *vid, int x, int y, int r, int g, int b, int a);
#else

30
src/graphics.c
View File

@ -1002,18 +1002,25 @@ int textnwidth(char *s, int n)
}
return x-1;
}
int textnheight(char *s, int n, int w)
void textnpos(char *s, int n, int w, int *cx, int *cy)
{
int x = 0;
int y = 0;
//TODO: Implement Textnheight for wrapped text
for(; *s; s++)
{
if(!n)
if(!n){
break;
}
x += font_data[font_ptrs[(int)(*(unsigned char *)s)]];
if(x>=w) {
x = 0;
y += FONT_H+2;
}
n--;
}
return x-1;
*cx = x-1;
*cy = y;
}
int textwidthx(char *s, int w)
@ -1029,6 +1036,23 @@ int textwidthx(char *s, int w)
}
return n;
}
int textposxy(char *s, int width, int w, int h)
{
int x=0,y=0,n=0,cw;
for(; *s; s++)
{
cw = font_data[font_ptrs[(int)(*(unsigned char *)s)]];
if(x+(cw/2) >= w && y+6 >= h)
break;
x += cw;
if(x>=width) {
x = 0;
y += FONT_H+2;
}
n++;
}
return n;
}
#ifdef WIN32
_inline void blendpixel(pixel *vid, int x, int y, int r, int g, int b, int a)

14
src/interface.c
View File

@ -215,7 +215,7 @@ void add_sign_ui(pixel *vid_buf, int mx, int my)
//TODO: Finish text wrapping in text edits
void ui_edit_draw(pixel *vid_buf, ui_edit *ed)
{
int cx, i;
int cx, i, cy;
char echo[256], *str;
if(ed->hide)
@ -242,9 +242,15 @@ void ui_edit_draw(pixel *vid_buf, ui_edit *ed)
drawtext(vid_buf, ed->x, ed->y, ed->def, 128, 128, 128, 255);
if(ed->focus)
{
cx = textnwidth(str, ed->cursor);
if(ed->multiline){
textnpos(str, ed->cursor, ed->w-14, &cx, &cy);
} else {
cx = textnwidth(str, ed->cursor);
cy = 0;
}
for(i=-3; i<9; i++)
drawpixel(vid_buf, ed->x+cx, ed->y+i, 255, 255, 255, 255);
drawpixel(vid_buf, ed->x+cx, ed->y+i+cy, 255, 255, 255, 255);
}
}
@ -278,7 +284,7 @@ void ui_edit_process(int mx, int my, int mb, ui_edit *ed)
else if(mx>=ed->x-ed->nx && mx<ed->x+ed->w && my>=ed->y-5 && my<ed->y+ed->h)
{
ed->focus = 1;
ed->cursor = textwidthx(str, mx-ed->x);
ed->cursor = textposxy(str, ed->w-14, mx-ed->x, my-ed->y);
}
else
ed->focus = 0;