libui/redo/unix/box.c

163 lines
3.6 KiB
C

// 7 april 2015
#include "uipriv_unix.h"
// TODO
// - the move the label box on GTK+ is not sized halfway, or the label below it is not; one of the two
struct box {
uiBox b;
GtkWidget *widget;
GtkBox *box;
void (*baseCommitDestroy)(uiControl *);
// TODO switch to GArray
struct ptrArray *controls;
int vertical;
int padded;
};
struct boxControl {
uiControl *c;
int stretchy;
};
uiDefineControlType(uiBox, uiTypeBox, struct box)
static void boxCommitDestroy(uiControl *c)
{
struct box *b = (struct box *) c;
struct boxControl *bc;
// don't chain up to base here; we need to destroy children ourselves first
while (b->controls->len != 0) {
bc = ptrArrayIndex(b->controls, struct boxControl *, 0);
uiControlSetParent(bc->c, NULL);
uiControlDestroy(bc->c);
ptrArrayDelete(b->controls, 0);
uiFree(bc);
}
ptrArrayDestroy(b->controls);
// NOW we can chain up to base
(*(b->baseCommitDestroy))(uiControl(b));
}
static uintptr_t boxHandle(uiControl *c)
{
struct box *b = (struct box *) c;
return (uintptr_t) (b->widget);
}
static void boxContainerUpdateState(uiControl *c)
{
struct box *b = (struct box *) c;
struct boxControl *bc;
uintmax_t i;
for (i = 0; i < b->controls->len; i++) {
bc = ptrArrayIndex(b->controls, struct boxControl *, i);
uiControlUpdateState(bc->c);
}
}
static void boxAppend(uiBox *ss, uiControl *c, int stretchy)
{
struct box *b = (struct box *) ss;
struct boxControl *bc;
uintmax_t i;
GtkWidget *widget;
gboolean hexpand, vexpand;
bc = uiNew(struct boxControl);
bc->c = c;
bc->stretchy = stretchy;
widget = GTK_WIDGET(uiControlHandle(bc->c));
hexpand = FALSE;
vexpand = FALSE;
if (bc->stretchy)
if (b->vertical)
vexpand = TRUE;
else
hexpand = TRUE;
gtk_widget_set_hexpand(widget, hexpand);
gtk_widget_set_halign(widget, GTK_ALIGN_FILL);
gtk_widget_set_vexpand(widget, vexpand);
gtk_widget_set_valign(widget, GTK_ALIGN_FILL);
uiControlSetParent(bc->c, uiControl(b));
ptrArrayAppend(b->controls, bc);
uiControlQueueResize(uiControl(b));
// TODO when adding boxInsertAt(), we use gtk_box_reorder_child()
}
static void boxDelete(uiBox *ss, uintmax_t index)
{
struct box *b = (struct box *) ss;
struct boxControl *bc;
uiControl *removed;
bc = ptrArrayIndex(b->controls, struct boxControl *, index);
removed = bc->c;
ptrArrayDelete(b->controls, index);
uiControlSetParent(removed, NULL);
uiFree(bc);
uiControlQueueResize(uiControl(b));
}
static int boxPadded(uiBox *ss)
{
struct box *b = (struct box *) ss;
return b->padded;
}
static void boxSetPadded(uiBox *ss, int padded)
{
struct box *b = (struct box *) ss;
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);
uiControlQueueResize(uiControl(b));
}
uiBox *finishNewBox(GtkOrientation orientation)
{
struct box *b;
b = (struct box *) uiNewControl(uiTypeBox());
b->widget = gtk_box_new(orientation, 0);
b->box = GTK_BOX(b->widget);
uiUnixMakeSingleWidgetControl(uiControl(b), b->widget);
b->controls = newPtrArray();
b->vertical = orientation == GTK_ORIENTATION_VERTICAL;
uiControl(b)->Handle = boxHandle;
b->baseCommitDestroy = uiControl(b)->CommitDestroy;
uiControl(b)->CommitDestroy = boxCommitDestroy;
uiControl(b)->ContainerUpdateState = boxContainerUpdateState;
uiBox(b)->Append = boxAppend;
uiBox(b)->Delete = boxDelete;
uiBox(b)->Padded = boxPadded;
uiBox(b)->SetPadded = boxSetPadded;
return uiBox(b);
}
uiBox *uiNewHorizontalBox(void)
{
return finishNewBox(GTK_ORIENTATION_HORIZONTAL);
}
uiBox *uiNewVerticalBox(void)
{
return finishNewBox(GTK_ORIENTATION_VERTICAL);
}