old-hiro/gtk/application.cpp
2016-05-15 12:45:15 +02:00

112 lines
3.1 KiB
C++

#if defined(Hiro_Application)
namespace hiro {
#if defined(DISPLAY_XORG)
XlibDisplay* pApplication::display = nullptr;
#endif
auto pApplication::run() -> void {
if(Application::state.onMain) {
while(!Application::state.quit) {
Application::doMain();
processEvents();
}
} else {
gtk_main();
}
}
auto pApplication::pendingEvents() -> bool {
return gtk_events_pending();
}
auto pApplication::processEvents() -> void {
while(pendingEvents()) gtk_main_iteration_do(false);
}
auto pApplication::quit() -> void {
//if gtk_main() was invoked, call gtk_main_quit()
if(gtk_main_level()) gtk_main_quit();
#if defined(DISPLAY_XORG)
//todo: Keyboard::poll() is being called after Application::quit();
//so if display is closed; this causes a segfault
//XCloseDisplay(display);
//display = nullptr;
#endif
}
auto pApplication::initialize() -> void {
#if defined(DISPLAY_XORG)
display = XOpenDisplay(nullptr);
#endif
settings = new Settings;
settings->load();
//set WM_CLASS to Application::name()
if(Application::state.name) gdk_set_program_class(Application::state.name);
#if 1
int argc = 1;
char* argv[] = {new char[5], nullptr};
strcpy(argv[0], "hiro");
#else
//--g-fatal-warnings will force a trap on Gtk-CRITICAL errors
//this allows gdb to perform a backtrace to find an error's origin point
int argc = 2;
char* argv[] = {new char[5], new char[19], nullptr};
strcpy(argv[0], "hiro");
strcpy(argv[1], "--g-fatal-warnings");
#endif
char** argvp = argv;
gtk_init(&argc, &argvp);
GtkSettings* gtkSettings = gtk_settings_get_default();
//allow buttons to show icons
g_type_class_unref(g_type_class_ref(GTK_TYPE_BUTTON));
g_object_set(gtkSettings, "gtk-button-images", true, nullptr);
#if defined(DISPLAY_WINDOWS)
//there is a serious bug in GTK 2.24 for Windows with the "ime" (Windows IME) input method:
//by default, it will be impossible to type in text fields at all.
//there are various tricks to get around this; but they are unintuitive and unreliable.
//the "ime" method is chosen when various international system locales (eg Japanese) are selected.
//here, we override the default input method to use the "Simple" type instead to avoid the bug.
//obviously, this has a drawback: in-place editing for IMEs will not work in this mode.
g_object_set(gtkSettings, "gtk-im-module", "gtk-im-context-simple", nullptr);
#endif
gtk_rc_parse_string(R"(
style "HiroWindow"
{
GtkWindow::resize-grip-width = 0
GtkWindow::resize-grip-height = 0
}
class "GtkWindow" style "HiroWindow"
style "HiroTreeView"
{
GtkTreeView::vertical-separator = 0
}
class "GtkTreeView" style "HiroTreeView"
style "HiroTabFrameCloseButton"
{
GtkWidget::focus-line-width = 0
GtkWidget::focus-padding = 0
GtkButton::default-border = {0, 0, 0, 0}
GtkButton::default-outer-border = {0, 0, 0, 0}
GtkButton::inner-border = {0, 1, 0, 0}
}
widget_class "*.<GtkNotebook>.<GtkHBox>.<GtkButton>" style "HiroTabFrameCloseButton"
)");
pKeyboard::initialize();
}
}
#endif