char **itemlist;
int num_items;
+ int disabled;
+
wgt_callback cb_click;
wgt_callback cb_modify;
};
free(w->itemlist);
}
+void wgt_enable_widget(struct wgt_widget *w)
+{
+ w->disabled = 0;
+ EnableWindow(w->handle, 1);
+}
+
+void wgt_disable_widget(struct wgt_widget *w)
+{
+ w->disabled = 1;
+ EnableWindow(w->handle, 0);
+}
+
+int wgt_widget_enabled(struct wgt_widget *w)
+{
+ return !w->disabled;
+}
+
struct wgt_window *wgt_widget_window(struct wgt_widget *w)
{
return w->win;
return w;
}
+static void combosize(struct wgt_window *win, HWND cbwnd, const char **items, int num_items,
+ int width, int height, struct wgt_rect *sz)
+{
+ int i, max_width, sum_height;
+ struct wgt_rect textsz;
+
+ wgt_string_size(win, "00", &textsz);
+ max_width = width < 0 && width != WGT_AUTO ? -width : textsz.width;
+
+ /* first get the height of the editbox */
+ sum_height = SendMessage(cbwnd, CB_GETITEMHEIGHT, -1, 0);
+ sz->y = sum_height;
+ /* then add the height of the dropdown list items */
+ /* XXX I can't figure out why, but it's not sufficient to show all items
+ * without some more height, so let's double it...
+ */
+ sum_height *= 2;
+ sum_height += SendMessage(cbwnd, CB_GETITEMHEIGHT, 0, 0) * num_items;
+ sum_height += GetSystemMetrics(SM_CYEDGE) * 2;
+
+ if(width < 0) {
+ int sbar_width;
+ for(i=0; i<num_items; i++) {
+ wgt_string_size(win, items[i], &textsz);
+ if(textsz.width > max_width) max_width = textsz.width;
+ }
+ sbar_width = GetSystemMetrics(SM_CXVSCROLL);
+ width = max_width + sbar_width + GetSystemMetrics(SM_CXEDGE) * 2;
+ }
+ if(height < 0) height = sum_height;
+
+ sz->width = width;
+ sz->height = height;
+}
+
struct wgt_widget *wgt_combo(struct wgt_window *win, const char **items, int num_items,
int sel, int x, int y, int width, int height, wgt_callback modfunc)
{
- int i, max_width, max_height, sum_height, res;
struct wgt_widget *w;
- struct wgt_rect textsz;
+ struct wgt_rect rect;
if(!(w = calloc(1, sizeof *w))) {
fprintf(stderr, "wgt_combo: failed to allocate widget structure\n");
}
w->win = win;
- if(!(w->itemlist = malloc(num_items * sizeof *w->itemlist))) {
- fprintf(stderr, "wgt_combo: failed to allocate item list\n");
+ if(!(w->handle = CreateWindow("COMBOBOX", items[0] ? items[0] : "",
+ WS_CHILD | WS_VISIBLE | CBS_DROPDOWNLIST | CBS_HASSTRINGS,
+ x, y, 16, 16, win->handle, 0, GetModuleHandle(0), 0))) {
+ fprintf(stderr, "wgt_combo: failed to create window\n");
free(w);
return 0;
}
- max_width = max_height = sum_height = 0;
+ combosize(win, w->handle, items, num_items, width, height, &rect);
+ w->rect.x = x;
+ w->rect.y = y;
+ w->rect.width = rect.width;
+ w->rect.height = rect.y; /* single line height for layout purposes */
+ MoveWindow(w->handle, x, y, rect.width, rect.height, FALSE);
- for(i=0; i<num_items; i++) {
- wgt_string_size(win, items[i], &textsz);
- if(textsz.width > max_width) max_width = textsz.width;
- if(textsz.height > max_height) max_height = textsz.height;
- sum_height += textsz.height;
+ wgt_combo_setitems(w, items, num_items);
+
+ if(sel < 0) sel = 0;
+ if(sel >= num_items) sel = num_items - 1;
+ if(sel >= 0) {
+ SendMessage(w->handle, CB_SETCURSEL, sel, 0);
}
- if(width < 0) width = max_width * 3 / 2;
- if(height < 0) height = sum_height * 2;
+ w->cb_modify = modfunc;
+ w->next = win->wlist;
+ win->wlist = w;
+ return w;
+}
- if(!(w->handle = CreateWindow("COMBOBOX", items[0],
- WS_CHILD | WS_VISIBLE | CBS_DROPDOWNLIST | CBS_HASSTRINGS,
- x, y, width, height, win->handle, 0, GetModuleHandle(0), 0))) {
- fprintf(stderr, "wgt_combo: failed to create window\n");
- free(w);
- return 0;
- }
+void wgt_checkbox_check(struct wgt_widget *w)
+{
+ SendMessage(w->handle, BM_SETCHECK, BST_CHECKED, 0);
+}
+void wgt_checkbox_uncheck(struct wgt_widget *w)
+{
+ SendMessage(w->handle, BM_SETCHECK, BST_UNCHECKED, 0);
+}
+
+int wgt_checkbox_checked(struct wgt_widget *w)
+{
+ return SendMessage(w->handle, BM_GETCHECK, 0, 0) == BST_CHECKED;
+}
+
+int wgt_combo_setitems(struct wgt_widget *w, const char **items, int num_items)
+{
+ int i;
+ char **newit;
+ struct wgt_rect size;
+
+ if(!(newit = malloc(num_items * sizeof *newit))) {
+ fprintf(stderr, "wgt_combo_setitems: failed to allocate item list\n");
+ return -1;
+ }
for(i=0; i<num_items; i++) {
- if(!(w->itemlist[i] = strdup(items[i]))) {
- fprintf(stderr, "wgt_combo: failed to allocate item\n");
- while(--i >= 0) free(w->itemlist[i]);
- DestroyWindow(w->handle);
- free(w->itemlist);
- free(w);
- return 0;
- }
- if((res = SendMessage(w->handle, CB_ADDSTRING, 0, (long)items[i])) != i) {
- fprintf(stderr, "wgt_combo: failed to add item\n");
+ if(!(newit[i] = strdup(items[i]))) {
+ fprintf(stderr, "wgt_combo_setitems: failed to allocate item\n");
+ while(--i >= 0) {
+ free(newit[i]);
+ }
+ free(newit);
+ return -1;
}
}
+
+ for(i=0; i<w->num_items; i++) {
+ free(w->itemlist[i]);
+ }
+ free(w->itemlist);
+ SendMessage(w->handle, CB_RESETCONTENT, 0, 0);
+
+ w->itemlist = newit;
w->num_items = num_items;
- if(sel < 0) sel = 0;
- if(sel >= num_items) sel = num_items - 1;
- SendMessage(w->handle, CB_SETCURSEL, sel, 0);
+ for(i=0; i<num_items; i++) {
+ SendMessage(w->handle, CB_ADDSTRING, 0, (long)w->itemlist[i]);
+ }
- w->rect.x = x;
- w->rect.y = y;
- w->rect.width = width;
- w->rect.height = max_height;
+ combosize(w->win, w->handle, items, num_items, w->rect.width, WGT_AUTO, &size);
+ MoveWindow(w->handle, w->rect.x, w->rect.y, w->rect.width, size.height, TRUE);
- w->cb_modify = modfunc;
- w->next = win->wlist;
- win->wlist = w;
- return w;
+ SendMessage(w->handle, CB_SETCURSEL, 0, 0);
+ return 0;
}
int wgt_combo_selected(struct wgt_widget *w)
projects / instimg / blobdiff