interesting
/
libui
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Set up a unified system for containers, now called parents.

This commit is contained in:
Pietro Gagliardi 2015-04-12 18:34:54 -04:00
parent bd1db7d098
commit 2209039a6b
1 changed files with 40 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
ui.h
View File

@ -32,13 +32,15 @@ struct uiSizing {
uiSizingSys *sys;
};
typedef strut uiContainer uiContainer;
typedef struct uiControl uiControl;
struct uiControl {
void *data; // for use by implementations only
void *internal; // for use by ui only
void (*destroy)(uiControl *);
uintptr_t (*handle)(uiControl *);
void (*setParent)(uiControl *, uintptr_t);
void (*setParent)(uiControl *, uiContainer *);
void (*removeParent)(uiControl *);
void (*preferredSize)(uiControl *, uiSizing *, intmax_t *, intmax_t *);
void (*resize)(uiControl *, intmax_t, intmax_t, intmax_t, intmax_t, uiSizing *);
@ -54,7 +56,7 @@ struct uiControl {
};
void uiControlDestroy(uiControl *);
uintptr_t uiControlHandle(uiControl *);
void uiControlSetParent(uiControl *, uintptr_t);
void uiControlSetParent(uiControl *, uiContainer *);
void uiControlRemoveParent(uiControl *);
void uiControlPreferredSize(uiControl *, uiSizing *, intmax_t *width, intmax_t *height);
void uiControlResize(uiControl *, intmax_t, intmax_t, intmax_t, intmax_t, uiSizing *);
@ -68,6 +70,42 @@ void uiControlDisable(uiControl *);
void uiControlContainerEnable(uiControl *);
void uiControlContainerDisable(uiControl *);
// uiParent represents an OS control that hosts other OS controls.
// It is used internally by package ui and by implementations.
// uiWindow, uiTab, and uiGroup all use uiParents to store their controls.
struct uiParent {
// Internal points to internal data.
// Do not access or alter this field.
void *Internal;
// Handle returns the window handle of the uiParent.
// On Windows, this is a HWND.
// On GTK+, this is a GtkContainer.
// On Mac OS X, this is a NSView.
uintptr_t (*Handle)(uiParent *p);
#define uiParentHandle(p) ((*((p)->Handle))((p)))
// SetChild sets the uiControl that this uiParent relegates.
// It calls uiControl.SetParent().
void (*SetChild)(uiParent *p, uiControl *child);
#define uiParentSetChild(p, child) ((*((p)->SetChild))((p), (child)))
// SetMargins sets the margins of the uiParent to the given margins.
// It then updates the uiParent to make the margins take effect.
// The units of the margins are backend-defined.
// The initial margins are all 0.
void (*SetMargins)(uiParent *p, intmax_t left, intmax_t top, intmax_t right, intmax_t bottom);
#define uiParentSetMargins(p, left, top, right, bottom) ((*((p)->SetMargins))((p), (left), (top), (right), (bottom)))
// TODO Resize?
// Update tells the uiParent to re-layout its children immediately.
// It is called when a widget is shown or hidden or when a control is added or removed from a container such as uiStack.
void (*Update)(uiParent *p);
#define uiParentUpdate(p) ((*((p)->Update))((p)))
};
uiParent *uiNewParent(uintptr_t);
typedef struct uiWindow uiWindow;
uiWindow *uiNewWindow(char *, int, int);
void uiWindowDestroy(uiWindow *);