113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
// 7 april 2015
|
|
#include "uipriv_unix.h"
|
|
|
|
typedef struct uiSingleWidgetControl uiSingleWidgetControl;
|
|
|
|
struct uiSingleWidgetControl {
|
|
uiControl control;
|
|
GtkWidget *widget;
|
|
GtkWidget *scrolledWindow;
|
|
GtkWidget *immediate; // the widget that is added to the parent container; either widget or scrolledWindow
|
|
void *data;
|
|
};
|
|
|
|
#define S(c) ((uiSingleWidgetControl *) (c))
|
|
|
|
static void singleDestroy(uiControl *c)
|
|
{
|
|
gtk_widget_destroy(S(c)->immediate);
|
|
}
|
|
|
|
static uintptr_t singleHandle(uiControl *c)
|
|
{
|
|
return (uintptr_t) (S(c)->widget);
|
|
}
|
|
|
|
static void singleSetParent(uiControl *c, uintptr_t parent)
|
|
{
|
|
gtk_container_add(GTK_CONTAINER(parent), S(c)->immediate);
|
|
}
|
|
|
|
static uiSize singlePreferredSize(uiControl *c, uiSizing *d)
|
|
{
|
|
uiSize size;
|
|
GtkRequisition natural;
|
|
|
|
// use the natural size as the minimum size is an *absolute* minimum
|
|
// for example, if a label has ellipsizing on, it can be the width of the ellipses, not the text
|
|
// there is a warning about height-for-width sizing, but in my tests this isn't an issue
|
|
gtk_widget_get_preferred_size(S(c)->widget, NULL, &natural);
|
|
size.width = natural.width;
|
|
size.height = natural.height;
|
|
return size;
|
|
}
|
|
|
|
static void singleResize(uiControl *c, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
|
|
{
|
|
GtkAllocation a;
|
|
|
|
a.x = x;
|
|
a.y = y;
|
|
a.width = width;
|
|
a.height = height;
|
|
gtk_widget_size_allocate(S(c)->immediate, &a);
|
|
}
|
|
|
|
static void onDestroy(GtkWidget *widget, gpointer data)
|
|
{
|
|
uiSingleWidgetControl *c = (uiSingleWidgetControl *) data;
|
|
|
|
uiFree(c);
|
|
}
|
|
|
|
uiControl *uiUnixNewControl(GType type, gboolean inScrolledWindow, gboolean scrolledWindowHasBorder, void *data, const char *firstProperty, ...)
|
|
{
|
|
uiSingleWidgetControl *c;
|
|
va_list ap;
|
|
|
|
c = uiNew(uiSingleWidgetControl);
|
|
|
|
va_start(ap, firstProperty);
|
|
c->widget = GTK_WIDGET(g_object_new_valist(type, firstProperty, ap));
|
|
va_end(ap);
|
|
c->immediate = c->widget;
|
|
|
|
if (inScrolledWindow) {
|
|
c->scrolledWindow = gtk_scrolled_window_new(NULL, NULL);
|
|
if (!GTK_IS_SCROLLABLE(c->widget))
|
|
gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(c->scrolledWindow), c->widget);
|
|
else
|
|
gtk_container_add(GTK_CONTAINER(c->scrolledWindow), c->widget);
|
|
if (scrolledWindowHasBorder)
|
|
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(c->scrolledWindow), GTK_SHADOW_IN);
|
|
c->immediate = c->scrolledWindow;
|
|
}
|
|
|
|
// we need to keep an extra reference on the immediate widget
|
|
// this is so uiControlDestroy() can work regardless of when it is called and who calls it
|
|
// without this:
|
|
// - end user call works (only one ref)
|
|
// - call in uiContainer destructor fails (uiContainer ref freed)
|
|
// with this:
|
|
// - end user call works (shoudn't be in any container)
|
|
// - call in uiContainer works (both refs freed)
|
|
g_object_ref_sink(c->immediate);
|
|
// and let's free the uiSingleWidgetControl with it
|
|
g_signal_connect(c->immediate, "destroy", G_CALLBACK(onDestroy), c);
|
|
|
|
c->control.destroy = singleDestroy;
|
|
c->control.handle = singleHandle;
|
|
c->control.setParent = singleSetParent;
|
|
c->control.preferredSize = singlePreferredSize;
|
|
c->control.resize = singleResize;
|
|
|
|
c->data = data;
|
|
|
|
return (uiControl *) c;
|
|
}
|
|
|
|
void *uiUnixControlData(uiControl *c)
|
|
{
|
|
return S(c)->data;
|
|
}
|