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The GTK colour selector does not provide full 8-bit resolution in

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the RGB values (it deals in floats with 2 d.p. instead). Hence I've
replaced the static RGB text item in the Colours panel with three
little edit boxes, so that a user can type in exact 0-255 RGB values
if necessary. This should have the additional advantage of being
quicker than faffing with the colour selector if you already know
exactly what you want and are in a hurry!

[originally from svn r2978]
This commit is contained in:
Simon Tatham 2003-03-22 11:07:59 +00:00
parent 271adc266d
commit ba7148c42b
1 changed files with 36 additions and 6 deletions
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42
config.c
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@ -396,7 +396,7 @@ static void charclass_handler(union control *ctrl, void *dlg,
}
struct colour_data {
union control *listbox, *rgbtext, *button;
union control *listbox, *redit, *gedit, *bedit, *button;
};
static const char *const colours[] = {
@ -429,7 +429,9 @@ static void colour_handler(union control *ctrl, void *dlg,
for (i = 0; i < lenof(colours); i++)
dlg_listbox_add(ctrl, dlg, colours[i]);
dlg_update_done(ctrl, dlg);
dlg_text_set(cd->rgbtext, dlg, "");
dlg_editbox_set(cd->redit, dlg, "");
dlg_editbox_set(cd->gedit, dlg, "");
dlg_editbox_set(cd->bedit, dlg, "");
}
} else if (event == EVENT_SELCHANGE) {
if (ctrl == cd->listbox) {
@ -444,6 +446,25 @@ static void colour_handler(union control *ctrl, void *dlg,
b = cfg->colours[i][2];
update = TRUE;
}
} else if (event == EVENT_VALCHANGE) {
if (ctrl == cd->redit || ctrl == cd->gedit || ctrl == cd->bedit) {
/* The user has changed the colour using the edit boxes. */
char buf[80];
int i, cval;
dlg_editbox_get(ctrl, dlg, buf, lenof(buf));
cval = atoi(buf) & 255;
i = dlg_listbox_index(cd->listbox, dlg);
if (i >= 0) {
if (ctrl == cd->redit)
cfg->colours[i][0] = cval;
else if (ctrl == cd->gedit)
cfg->colours[i][1] = cval;
else if (ctrl == cd->bedit)
cfg->colours[i][2] = cval;
}
}
} else if (event == EVENT_ACTION) {
if (ctrl == cd->button) {
int i = dlg_listbox_index(cd->listbox, dlg);
@ -480,8 +501,9 @@ static void colour_handler(union control *ctrl, void *dlg,
if (update) {
char buf[40];
sprintf(buf, "%02x/%02x/%02x", r, g, b);
dlg_text_set(cd->rgbtext, dlg, buf);
sprintf(buf, "%d", r); dlg_editbox_set(cd->redit, dlg, buf);
sprintf(buf, "%d", g); dlg_editbox_set(cd->gedit, dlg, buf);
sprintf(buf, "%d", b); dlg_editbox_set(cd->bedit, dlg, buf);
}
}
@ -1156,10 +1178,18 @@ void setup_config_box(struct controlbox *b, struct sesslist *sesslist,
cd->listbox = ctrl_listbox(s, "Select a colour to adjust:", 'u',
HELPCTX(colours_config), colour_handler, P(cd));
cd->listbox->generic.column = 0;
cd->listbox->listbox.height = 7;
c = ctrl_text(s, "RGB value:", HELPCTX(colours_config));
c->generic.column = 1;
cd->rgbtext = ctrl_text(s, "00/00/00", HELPCTX(colours_config));
cd->rgbtext->generic.column = 1;
cd->redit = ctrl_editbox(s, "Red", 'r', 50, HELPCTX(colours_config),
colour_handler, P(cd), P(NULL));
cd->redit->generic.column = 1;
cd->gedit = ctrl_editbox(s, "Green", 'n', 50, HELPCTX(colours_config),
colour_handler, P(cd), P(NULL));
cd->gedit->generic.column = 1;
cd->bedit = ctrl_editbox(s, "Blue", 'e', 50, HELPCTX(colours_config),
colour_handler, P(cd), P(NULL));
cd->bedit->generic.column = 1;
cd->button = ctrl_pushbutton(s, "Modify", 'm', HELPCTX(colours_config),
colour_handler, P(cd));
cd->button->generic.column = 1;