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#include "stdafx.h"
#include "Dialog.h"
#include "Exception.h"
#include "GtkSignal.h"
namespace gui {
Dialog::Dialog(Str *title) : Frame(title), parent(null) {}
Dialog::Dialog(Str *title, Size size) : Frame(title, size), parent(null) {}
void Dialog::close() {
close(-1);
}
void Dialog::defaultChoice(Button *button) {
if (defaultButton)
defaultButton->setDefault(false);
button->setDefault(true);
button->onClick = fnPtr(engine(), &Dialog::onOk, this);
defaultButton = button;
}
void Dialog::onOk() {
close(1);
}
void Dialog::onDestroy(Int code) {}
#ifdef GUI_WIN32
Int Dialog::show(Frame *parent) {
if (handle() != invalid)
throw new (this) GuiError(S("Don't call 'create' before calling 'show' on a dialog."));
this->parent = parent;
createWindow(true, parent);
// Make us modal!
EnableWindow(parent->handle().hwnd(), FALSE);
waitForClose();
this->parent = null;
return result;
}
void Dialog::close(Int result) {
onDestroy(result);
this->result = result;
// Make sure to enable the old window before we remove ourselves.
if (parent) {
EnableWindow(parent->handle().hwnd(), TRUE);
SetFocus(parent->handle().hwnd());
}
Frame::close();
}
MsgResult Dialog::onMessage(const Message &msg) {
switch (msg.msg) {
case WM_COMMAND: {
nat type = HIWORD(msg.wParam);
nat id = LOWORD(msg.wParam);
if (type == 0) {
// Accelerator. Check for IDOK or IDCANCEL.
if (id == IDOK) {
// Only close the dialog when RETURN is pressed if there is a default
// button. This mirrors behavior on Gtk.
if (defaultButton) {
defaultButton->onCommand(BN_CLICKED);
return msgResult(TRUE);
}
} else if (id == IDCANCEL) {
close();
return msgResult(TRUE);
}
}
}
}
return Frame::onMessage(msg);
}
#endif
#ifdef GUI_GTK
Int Dialog::show(Frame *parent) {
if (handle() != invalid)
throw new (this) GuiError(S("Don't call 'create' before calling 'show' on a dialog."));
this->parent = parent;
createWindow(true, parent);
if (defaultButton) {
defaultButton->setDefault(true);
}
gint result = gtk_dialog_run(GTK_DIALOG(handle().widget()));
// This is the default "close" action.
if (result == -4)
result = -1;
// Close the window.
Frame::close();
this->parent = null;
return result;
}
void Dialog::initSignals(GtkWidget *widget, GtkWidget *draw) {
Frame::initSignals(widget, draw);
Signal<gboolean, Dialog, GdkEvent *>::Connect<&Dialog::onKey>::to(widget, "key-press-event", engine());
}
gboolean Dialog::onKey(GdkEvent *event) {
GdkEventKey &k = event->key;
Nat key = keycode(k);
Modifiers mod = modifiers(k);
if (key == key::ret && mod == mod::none) {
if (defaultButton) {
defaultButton->clicked();
return TRUE;
}
}
return FALSE;
}
void Dialog::close(Int result) {
onDestroy(result);
// If opened as a regular window, it might not be a dialog.
if (GTK_IS_DIALOG(handle().widget())) {
gtk_dialog_response(GTK_DIALOG(handle().widget()), result);
} else {
Frame::close();
}
}
#endif
}
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