158 lines
3.8 KiB
C
158 lines
3.8 KiB
C
// 6 april 2015
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#include "uipriv_unix.h"
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struct window {
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uiWindow w;
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GtkWidget *widget;
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GtkContainer *container;
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GtkWindow *window;
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uiParent *content;
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int (*onClosing)(uiWindow *, void *);
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void *onClosingData;
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int margined;
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gboolean canDestroy;
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};
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static gboolean onClosing(GtkWidget *win, GdkEvent *e, gpointer data)
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{
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struct window *w = (struct window *) data;
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// manually destroy the window ourselves; don't let the delete-event handler do it
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if ((*(w->onClosing))(uiWindow(w), w->onClosingData))
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uiWindowDestroy(uiWindow(w));
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return TRUE; // don't continue to the default delete-event handler; we destroyed the window by now
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}
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static int defaultOnClosing(uiWindow *w, void *data)
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{
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return 1;
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}
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static void onDestroy(GtkWidget *widget, gpointer data)
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{
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struct window *w = (struct window *) data;
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if (!w->canDestroy)
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// TODO switch to complain()
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g_error("attempt to dispose uiWindow at %p before uiWindowDestroy()", w);
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uiFree(w);
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}
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// TODO should we change the GtkWindow's child first?
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static void windowDestroy(uiWindow *ww)
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{
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struct window *w = (struct window *) ww;
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// first, hide the window to prevent our cleanup from being noticed
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gtk_widget_hide(w->widget);
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// next, destroy the content uiParent
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uiParentDestroy(w->content);
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// now that we cleaned up properly, we can mark our window as ready to be destroyed
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w->canDestroy = TRUE;
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// finally, destroy the window
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gtk_widget_destroy(w->widget);
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}
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static uintptr_t windowHandle(uiWindow *ww)
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{
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struct window *w = (struct window *) ww;
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return (uintptr_t) (w->widget);
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}
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static char *windowTitle(uiWindow *ww)
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{
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struct window *w = (struct window *) ww;
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return g_strdup(gtk_window_get_title(w->window));
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}
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static void windowSetTitle(uiWindow *ww, const char *title)
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{
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struct window *w = (struct window *) ww;
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gtk_window_set_title(w->window, title);
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}
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static void windowShow(uiWindow *ww)
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{
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struct window *w = (struct window *) ww;
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// don't use gtk_widget_show_all(); that will override user hidden settings
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gtk_widget_show(w->widget);
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}
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static void windowHide(uiWindow *ww)
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{
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struct window *w = (struct window *) ww;
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gtk_widget_hide(w->widget);
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}
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static void windowOnClosing(uiWindow *ww, int (*f)(uiWindow *, void *), void *data)
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{
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struct window *w = (struct window *) ww;
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w->onClosing = f;
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w->onClosingData = data;
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}
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static void windowSetChild(uiWindow *ww, uiControl *c)
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{
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struct window *w = (struct window *) ww;
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uiParentSetMainControl(w->content, c);
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uiParentUpdate(w->content);
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}
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static int windowMargined(uiWindow *ww)
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{
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struct window *w = (struct window *) ww;
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return w->margined;
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}
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static void windowSetMargined(uiWindow *ww, int margined)
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{
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struct window *w = (struct window *) ww;
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w->margined = margined;
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if (w->margined)
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uiParentSetMargins(w->content, gtkXMargin, gtkYMargin, gtkXMargin, gtkYMargin);
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else
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uiParentSetMargins(w->content, 0, 0, 0, 0);
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uiParentUpdate(w->content);
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}
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uiWindow *uiNewWindow(const char *title, int width, int height)
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{
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struct window *w;
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w = uiNew(struct window);
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w->widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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w->container = GTK_CONTAINER(w->widget);
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w->window = GTK_WINDOW(w->widget);
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gtk_window_set_title(w->window, title);
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gtk_window_resize(w->window, width, height);
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g_signal_connect(w->widget, "delete-event", G_CALLBACK(onClosing), w);
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g_signal_connect(w->widget, "destroy", G_CALLBACK(onDestroy), w);
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w->content = uiNewParent((uintptr_t) (w->container));
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w->onClosing = defaultOnClosing;
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uiWindow(w)->Destroy = windowDestroy;
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uiWindow(w)->Handle = windowHandle;
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uiWindow(w)->Title = windowTitle;
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uiWindow(w)->SetTitle = windowSetTitle;
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uiWindow(w)->Show = windowShow;
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uiWindow(w)->Hide = windowHide;
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uiWindow(w)->OnClosing = windowOnClosing;
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uiWindow(w)->SetChild = windowSetChild;
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uiWindow(w)->Margined = windowMargined;
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uiWindow(w)->SetMargined = windowSetMargined;
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return uiWindow(w);
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}
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