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(svn r7621) -Codechange: Rework ShowQuery into a general modal popup window. It gets passed

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a parent pointer which will be blocked as long as the popup is open. This
 applies to newgrf-apply, heightmap warning, genworld progress.
This commit is contained in:
Darkvater
2006-12-29 17:54:47 +00:00
parent 324e805d51
commit a7f2b8095f
6 changed files with 110 additions and 73 deletions
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126
misc_gui.c
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@@ -1169,68 +1169,112 @@ void ShowQueryString(StringID str, StringID caption, uint maxlen, uint maxwidth,
InitializeTextBuffer(&WP(w, querystr_d).text, _edit_str_buf, realmaxlen, maxwidth);
}
enum QueryWidgets {
QUERY_WIDGET_CAPTION = 1,
QUERY_WIDGET_NO = 3,
QUERY_WIDGET_YES
};
typedef struct query_d {
StringID message; ///< message shown for query window
uint32 params[20]; ///< local copy of _decode_parameters
void (*proc)(Window*, bool); ///< callback function executed on closing of popup. Window* points to parent, bool is true if 'yes' clicked, false otherwise
bool calledback; ///< has callback been executed already (internal usage for WE_DESTROY event)
} query_d;
assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(query_d));
static void QueryWndProc(Window *w, WindowEvent *e)
{
query_d *q = &WP(w, query_d);
switch (e->event) {
case WE_PAINT:
SetDParam(0, WP(w, query_d).caption);
DrawWindowWidgets(w);
case WE_PAINT:
COPY_IN_DPARAM(0, q->params, lengthof(q->params));
DrawWindowWidgets(w);
COPY_IN_DPARAM(0, q->params, lengthof(q->params));
DrawStringMultiCenter(90, 38, WP(w, query_d).message, 178);
break;
case WE_CLICK:
switch (e->we.click.widget) {
case 3:
case 4:
WP(w, query_d).calledback = true;
if (WP(w, query_d).ok_cancel_callback != NULL) WP(w, query_d).ok_cancel_callback(e->we.click.widget == 4);
DeleteWindow(w);
DrawStringMultiCenter(w->width / 2, (w->height / 2) - 10, q->message, w->width);
break;
}
break;
case WE_MOUSELOOP:
if (!FindWindowById(WP(w, query_d).wnd_class, WP(w, query_d).wnd_num)) DeleteWindow(w);
break;
case WE_CLICK:
switch (e->we.click.widget) {
case QUERY_WIDGET_YES:
q->calledback = true;
if (q->proc != NULL) q->proc(w->parent, true);
/* Fallthrough */
case QUERY_WIDGET_NO:
DeleteWindow(w);
break;
}
break;
case WE_DESTROY:
if (!WP(w, query_d).calledback && WP(w, query_d).ok_cancel_callback != NULL) WP(w, query_d).ok_cancel_callback(false);
break;
case WE_KEYPRESS: /* ESC closes the window, Enter confirms the action */
switch (e->we.keypress.keycode) {
case WKC_RETURN:
case WKC_NUM_ENTER:
q->calledback = true;
if (q->proc != NULL) q->proc(w->parent, true);
/* Fallthrough */
case WKC_ESC:
e->we.keypress.cont = false;
DeleteWindow(w);
break;
}
break;
case WE_DESTROY: /* Call callback function (if any) on window close if not yet called */
if (!q->calledback && q->proc != NULL) q->proc(w->parent, false);
break;
}
}
static const Widget _query_widgets[] = {
{ WWT_CLOSEBOX, RESIZE_NONE, 4, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW},
{ WWT_CAPTION, RESIZE_NONE, 4, 11, 179, 0, 13, STR_012D, STR_NULL},
{ WWT_PANEL, RESIZE_NONE, 4, 0, 179, 14, 91, 0x0, STR_NULL},
{ WWT_TEXTBTN, RESIZE_NONE, 12, 25, 84, 72, 83, STR_012E_CANCEL, STR_NULL},
{ WWT_TEXTBTN, RESIZE_NONE, 12, 95, 154, 72, 83, STR_012F_OK, STR_NULL},
{ WIDGETS_END },
{ WWT_CLOSEBOX, RESIZE_NONE, 4, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW},
{ WWT_CAPTION, RESIZE_NONE, 4, 11, 209, 0, 13, STR_NULL, STR_NULL},
{ WWT_PANEL, RESIZE_NONE, 4, 0, 209, 14, 81, 0x0, /*OVERRIDE*/STR_NULL},
{WWT_PUSHTXTBTN, RESIZE_NONE, 3, 20, 90, 62, 73, STR_00C9_NO, STR_NULL},
{WWT_PUSHTXTBTN, RESIZE_NONE, 3, 120, 190, 62, 73, STR_00C8_YES, STR_NULL},
{ WIDGETS_END },
};
static const WindowDesc _query_desc = {
WDP_CENTER, WDP_CENTER, 180, 92,
WC_OK_CANCEL_QUERY, 0,
WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,
WDP_CENTER, WDP_CENTER, 210, 82,
WC_CONFIRM_POPUP_QUERY, 0,
WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_UNCLICK_BUTTONS | WDF_DEF_WIDGET | WDF_MODAL,
_query_widgets,
QueryWndProc
};
void ShowQuery(StringID caption, StringID message, void (*ok_cancel_callback)(bool ok_clicked), WindowClass window_class, WindowNumber window_number)
/** Show a modal confirmation window with standard 'yes' and 'no' buttons
* The window is aligned to the centre of its parent.
* NOTE: You cannot use BindCString as parameter for this window!
* @param caption string shown as window caption
* @param message string that will be shown for the window
* @param parent pointer to parent window, if this pointer is NULL the parent becomes
* the main window WC_MAIN_WINDOW
* @param x,y coordinates to show the window at
* @param yes_no_callback callback function called when window is closed through any button */
void ShowQuery(StringID caption, StringID message, Window *parent, void (*callback)(Window*, bool))
{
Window *w;
Window *w = AllocateWindowDesc(&_query_desc);
if (w == NULL) return;
DeleteWindowById(WC_OK_CANCEL_QUERY, 0);
if (parent == NULL) parent = FindWindowById(WC_MAIN_WINDOW, 0);
w->parent = parent;
w->left = parent->left + (parent->width / 2) - (w->width / 2);
w->top = parent->top + (parent->height / 2) - (w->height / 2);
w = AllocateWindowDesc(&_query_desc);
WP(w, query_d).caption = caption;
WP(w, query_d).message = message;
WP(w, query_d).wnd_class = window_class;
WP(w, query_d).wnd_num = window_number;
WP(w, query_d).ok_cancel_callback = ok_cancel_callback;
WP(w, query_d).calledback = false;
/* Create a backup of the variadic arguments to strings because it will be
* overridden pretty often. We will copy these back for drawing */
COPY_OUT_DPARAM(WP(w, query_d).params, 0, lengthof(WP(w, query_d).params));
w->widget[QUERY_WIDGET_CAPTION].data = caption;
WP(w, query_d).message = message;
WP(w, query_d).proc = callback;
WP(w, query_d).calledback = false;
}