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Put the cursor where it should be when clicking in a textbox. 

SVN revision: 1997
This commit is contained in:
Christian Kreibich 2000-01-31 16:23:48 +00:00
parent a100fb4390
commit 5489ee8f21
1 changed files with 73 additions and 5 deletions
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78
api/epplet.c
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@ -169,7 +169,6 @@ static void Epplet_popup_arrange_contents(Epplet_gadget gadget);
static void Epplet_prune_events(XEvent * ev, int num);
static void Epplet_handle_child(int num);
static void Epplet_textbox_handle_keyevent(XEvent * ev,
Epplet_gadget g);
static void Epplet_refresh_backgrounds(void);
static void Epplet_textbox_textsize(Epplet_gadget gadget, int *w,
@ -1300,13 +1299,13 @@ Epplet_handle_event(XEvent * ev)
(XPointer *) & g) == XCNOENT)
g = NULL;
if (g)
Epplet_event(g, ev);
Epplet_event(g, ev);
else
{
if (buttonpress_func)
(*buttonpress_func) (buttonpress_data, ev->xbutton.window,
ev->xbutton.x, ev->xbutton.y,
ev->xbutton.button);
(*buttonpress_func) (buttonpress_data, ev->xbutton.window,
ev->xbutton.x, ev->xbutton.y,
ev->xbutton.button);
}
break;
case ButtonRelease:
@ -3953,6 +3952,75 @@ Epplet_event(Epplet_gadget gadget, XEvent * ev)
break;
case E_POPUP:
break;
case E_TEXTBOX:
{
GadTextBox *g;
int tmp_x, tmp_y, width, length, index,
last_index, text_w, text_h, text_wl, text_wr;
Window dummy;
char buf, left=1, right=1;
float delta;
g = (GadTextBox *) gadget;
XTranslateCoordinates(disp, g->win, root, 0, 0, &tmp_x, &tmp_y, &dummy);
width = rx - tmp_x;
length = strlen(g->contents);
index = last_index = length/2;
delta = last_index/2;
while (delta >= 1.0)
{
index = last_index;
buf = g->contents[index];
g->contents[index] = 0;
Epplet_textbox_textsize(g, &text_w, &text_h, g->contents);
g->contents[index] = buf;
if (text_w <= width)
last_index += rint(delta);
else
last_index -= rint(delta);
delta /= 2.0;
}
while (1)
{
if (left)
{
buf = g->contents[index-1];
g->contents[index-1] = 0;
Epplet_textbox_textsize(g, &text_wl, &text_h, g->contents);
g->contents[index-1] = buf;
}
if (right)
{
buf = g->contents[index+1];
g->contents[index+1] = 0;
Epplet_textbox_textsize(g, &text_wr, &text_h, g->contents);
g->contents[index+1] = buf;
}
if (abs(text_wl - width) < abs(text_w - width))
{
right = 0;
text_wr = text_w;
text_w = text_wl;
index--;
}
else if (abs(text_wr - width) < abs(text_w - width))
{
left = 0;
text_wl = text_w;
text_w = text_wr;
index++;
}
else
break;
}
g->cursor_pos = index;
Epplet_draw_textbox(g);
}
break;
default:
break;
}