libui/unix/box.c

124 lines
2.6 KiB
C

// 7 april 2015
#include "uipriv_unix.h"
// TODO clean this up
struct uiBox {
uiUnixControl c;
GtkWidget *widget;
GtkContainer *container;
GtkBox *box;
struct ptrArray *controls; // TODO switch to GArray
int vertical;
int padded;
GtkSizeGroup *stretchygroup; // ensures all stretchy controls have the same size
};
uiUnixControlAllDefaultsExceptDestroy(uiBox)
static void uiBoxDestroy(uiControl *c)
{
uiBox *b = uiBox(c);
struct child *bc;
while (b->controls->len != 0) {
bc = ptrArrayIndex(b->controls, struct child *, 0);
childDestroy(bc);
ptrArrayDelete(b->controls, 0);
}
ptrArrayDestroy(b->controls);
// kill the size group
g_object_unref(b->stretchygroup);
// and then ourselves
g_object_unref(b->widget);
uiFreeControl(uiControl(b));
}
#define isStretchy(bc) childFlag(bc)
void uiBoxAppend(uiBox *b, uiControl *c, int stretchy)
{
struct child *bc;
GtkWidget *widget;
bc = newChild(c, uiControl(b), b->container);
childSetFlag(bc, stretchy);
widget = childWidget(bc);
if (isStretchy(bc)) {
if (b->vertical) {
gtk_widget_set_vexpand(widget, TRUE);
gtk_widget_set_valign(widget, GTK_ALIGN_FILL);
} else {
gtk_widget_set_hexpand(widget, TRUE);
gtk_widget_set_halign(widget, GTK_ALIGN_FILL);
}
gtk_size_group_add_widget(b->stretchygroup, widget);
} else
if (b->vertical)
gtk_widget_set_vexpand(widget, FALSE);
else
gtk_widget_set_hexpand(widget, FALSE);
// TODO make the other dimension fill
ptrArrayAppend(b->controls, bc);
}
void uiBoxDelete(uiBox *b, uintmax_t index)
{
struct child *bc;
bc = ptrArrayIndex(b->controls, struct child *, index);
ptrArrayDelete(b->controls, index);
if (isStretchy(bc))
gtk_size_group_remove_widget(b->stretchygroup, childWidget(bc));
childRemove(bc);
}
int uiBoxPadded(uiBox *b)
{
return b->padded;
}
void uiBoxSetPadded(uiBox *b, int padded)
{
b->padded = padded;
if (b->padded)
if (b->vertical)
gtk_box_set_spacing(b->box, gtkYPadding);
else
gtk_box_set_spacing(b->box, gtkXPadding);
else
gtk_box_set_spacing(b->box, 0);
}
static uiBox *finishNewBox(GtkOrientation orientation)
{
uiBox *b;
uiUnixNewControl(uiBox, b);
b->widget = gtk_box_new(orientation, 0);
b->container = GTK_CONTAINER(b->widget);
b->box = GTK_BOX(b->widget);
b->vertical = orientation == GTK_ORIENTATION_VERTICAL;
if (b->vertical)
b->stretchygroup = gtk_size_group_new(GTK_SIZE_GROUP_VERTICAL);
else
b->stretchygroup = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
b->controls = newPtrArray();
return b;
}
uiBox *uiNewHorizontalBox(void)
{
return finishNewBox(GTK_ORIENTATION_HORIZONTAL);
}
uiBox *uiNewVerticalBox(void)
{
return finishNewBox(GTK_ORIENTATION_VERTICAL);
}