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