libui/redo/objimpl/control.c

139 lines
3.2 KiB
C

// 26 may 2015
#include "out/ui.h"
#include "uipriv.h"
struct controlBase {
uiControl *parent;
int hidden;
int disabled;
};
#define controlBase(c) ((struct controlBase *) (c->Internal))
static void controlBaseDestroy(uiControl *c)
{
struct controlBase *cb = controlBase(c);
if (cb->parent != NULL)
complain("attempt to destroy uiControl %p while it has a parent", c);
uiControlCommitDestroy(c);
uiFree(cb);
// TODO free c?
}
static uiControl *controlBaseParent(uiControl *c)
{
struct controlBase *cb = controlBase(c);
return cb->parent;
}
static void controlBaseSetParent(uiControl *c, uiControl *parent)
{
struct controlBase *cb = controlBase(c);
if (parent != NULL && cb->parent != NULL)
complain("attempt to reparent uiControl %p (has parent %p, attempt to give parent %p)", c, cb->parent, parent);
if (parent == NULL && cb->parent == NULL)
complain("attempt to double unparent uiControl %p", c);
cb->parent = parent;
uiControlCommitSetParent(c, parent);
// for situations such as where the old parent was disabled but the new one is not, etc.
uiControlUpdateState(c);
}
static void controlBaseQueueResize(uiControl *c)
{
queueResize(c);
}
static int controlBaseContainerVisible(uiControl *c)
{
struct controlBase *cb = controlBase(c);
if (cb->hidden)
return 0;
if (cb->parent == NULL)
return 1;
return uiControlContainerVisible(cb->parent);
}
static void controlBaseShow(uiControl *c)
{
struct controlBase *cb = controlBase(c);
cb->hidden = 0;
uiControlUpdateState(c);
}
static void controlBaseHide(uiControl *c)
{
struct controlBase *cb = controlBase(c);
cb->hidden = 1;
uiControlUpdateState(c);
}
static int controlBaseContainerEnabled(uiControl *c)
{
struct controlBase *cb = controlBase(c);
if (cb->disabled)
return 0;
if (cb->parent == NULL)
return 1;
return uiControlContainerEnabled(cb->parent);
}
static void controlBaseEnable(uiControl *c)
{
struct controlBase *cb = controlBase(c);
cb->disabled = 0;
uiControlUpdateState(c);
}
static void controlBaseDisable(uiControl *c)
{
struct controlBase *cb = controlBase(c);
cb->disabled = 1;
uiControlUpdateState(c);
}
static void controlBaseUpdateState(uiControl *c)
{
if (uiControlContainerVisible(c))
uiControlCommitShow(c);
else
uiControlCommitHide(c);
if (uiControlContainerEnabled(c))
uiControlCommitEnable(c);
else
uiControlCommitDisable(c);
uiControlContainerUpdateState(c);
}
static void controlBaseContainerUpdateState(uiControl *c)
{
// by default not a container; do nothing
}
void uiMakeControl(uiControl *c, uintmax_t type)
{
uiTyped(c)->Type = type;
uiControl(c)->Internal = uiNew(struct controlBase);
uiControl(c)->Destroy = controlBaseDestroy;
uiControl(c)->Parent = controlBaseParent;
uiControl(c)->SetParent = controlBaseSetParent;
uiControl(c)->QueueResize = controlBaseQueueResize;
uiControl(c)->ContainerVisible = controlBaseContainerVisible;
uiControl(c)->Show = controlBaseShow;
uiControl(c)->Hide = controlBaseHide;
uiControl(c)->ContainerEnabled = controlBaseContainerEnabled;
uiControl(c)->Enable = controlBaseEnable;
uiControl(c)->Disable = controlBaseDisable;
uiControl(c)->UpdateState = controlBaseUpdateState;
uiControl(c)->ContainerUpdateState = controlBaseContainerUpdateState;
}