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|
// 6 april 2015
// TODO add a uiVerifyControlType() function that can be used by control implementations to verify controls
#ifndef __LIBUI_UI_H__
#define __LIBUI_UI_H__
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
// this macro is generated by cmake
#ifdef libui_EXPORTS
#ifdef _WIN32
#define _UI_EXTERN __declspec(dllexport) extern
#else
#define _UI_EXTERN __attribute__((visibility("default"))) extern
#endif
#else
// TODO add __declspec(dllimport) on windows, but only if not static
#define _UI_EXTERN extern
#endif
// C++ is really really really really really really dumb about enums, so screw that and just make them anonymous
// This has the advantage of being ABI-able should we ever need an ABI...
#define _UI_ENUM(s) typedef unsigned int s; enum
// This constant is provided because M_PI is nonstandard.
// This comes from Go's math.Pi, which in turn comes from http://oeis.org/A000796.
#define uiPi 3.14159265358979323846264338327950288419716939937510582097494459
// TODO uiBool?
typedef struct uiInitOptions uiInitOptions;
struct uiInitOptions {
size_t Size;
};
_UI_EXTERN const char *uiInit(uiInitOptions *options);
_UI_EXTERN void uiUninit(void);
_UI_EXTERN void uiFreeInitError(const char *err);
_UI_EXTERN void uiMain(void);
_UI_EXTERN void uiMainSteps(void);
_UI_EXTERN int uiMainStep(int wait);
_UI_EXTERN void uiQuit(void);
_UI_EXTERN void uiQueueMain(void (*f)(void *data), void *data);
_UI_EXTERN void uiOnShouldQuit(int (*f)(void *data), void *data);
_UI_EXTERN void uiFreeText(char *text);
typedef struct uiControl uiControl;
struct uiControl {
uint32_t Signature;
uint32_t OSSignature;
uint32_t TypeSignature;
void (*Destroy)(uiControl *);
uintptr_t (*Handle)(uiControl *);
uiControl *(*Parent)(uiControl *);
void (*SetParent)(uiControl *, uiControl *);
int (*Toplevel)(uiControl *);
int (*Visible)(uiControl *);
void (*Show)(uiControl *);
void (*Hide)(uiControl *);
int (*Enabled)(uiControl *);
void (*Enable)(uiControl *);
void (*Disable)(uiControl *);
};
// TOOD add argument names to all arguments
#define uiControl(this) ((uiControl *) (this))
_UI_EXTERN void uiControlDestroy(uiControl *);
_UI_EXTERN uintptr_t uiControlHandle(uiControl *);
_UI_EXTERN uiControl *uiControlParent(uiControl *);
_UI_EXTERN void uiControlSetParent(uiControl *, uiControl *);
_UI_EXTERN int uiControlToplevel(uiControl *);
_UI_EXTERN int uiControlVisible(uiControl *);
_UI_EXTERN void uiControlShow(uiControl *);
_UI_EXTERN void uiControlHide(uiControl *);
_UI_EXTERN int uiControlEnabled(uiControl *);
_UI_EXTERN void uiControlEnable(uiControl *);
_UI_EXTERN void uiControlDisable(uiControl *);
_UI_EXTERN uiControl *uiAllocControl(size_t n, uint32_t OSsig, uint32_t typesig, const char *typenamestr);
_UI_EXTERN void uiFreeControl(uiControl *);
// TODO make sure all controls have these
_UI_EXTERN void uiControlVerifySetParent(uiControl *, uiControl *);
_UI_EXTERN int uiControlEnabledToUser(uiControl *);
_UI_EXTERN void uiUserBugCannotSetParentOnToplevel(const char *type);
typedef struct uiWindow uiWindow;
#define uiWindow(this) ((uiWindow *) (this))
_UI_EXTERN char *uiWindowTitle(uiWindow *w);
_UI_EXTERN void uiWindowSetTitle(uiWindow *w, const char *title);
_UI_EXTERN void uiWindowContentSize(uiWindow *w, int *width, int *height);
_UI_EXTERN void uiWindowSetContentSize(uiWindow *w, int width, int height);
_UI_EXTERN int uiWindowFullscreen(uiWindow *w);
_UI_EXTERN void uiWindowSetFullscreen(uiWindow *w, int fullscreen);
_UI_EXTERN void uiWindowOnContentSizeChanged(uiWindow *w, void (*f)(uiWindow *, void *), void *data);
_UI_EXTERN void uiWindowOnClosing(uiWindow *w, int (*f)(uiWindow *w, void *data), void *data);
_UI_EXTERN int uiWindowBorderless(uiWindow *w);
_UI_EXTERN void uiWindowSetBorderless(uiWindow *w, int borderless);
_UI_EXTERN void uiWindowSetChild(uiWindow *w, uiControl *child);
_UI_EXTERN int uiWindowMargined(uiWindow *w);
_UI_EXTERN void uiWindowSetMargined(uiWindow *w, int margined);
_UI_EXTERN uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar);
typedef struct uiButton uiButton;
#define uiButton(this) ((uiButton *) (this))
_UI_EXTERN char *uiButtonText(uiButton *b);
_UI_EXTERN void uiButtonSetText(uiButton *b, const char *text);
_UI_EXTERN void uiButtonOnClicked(uiButton *b, void (*f)(uiButton *b, void *data), void *data);
_UI_EXTERN uiButton *uiNewButton(const char *text);
typedef struct uiBox uiBox;
#define uiBox(this) ((uiBox *) (this))
_UI_EXTERN void uiBoxAppend(uiBox *b, uiControl *child, int stretchy);
_UI_EXTERN void uiBoxDelete(uiBox *b, int index);
_UI_EXTERN int uiBoxPadded(uiBox *b);
_UI_EXTERN void uiBoxSetPadded(uiBox *b, int padded);
_UI_EXTERN uiBox *uiNewHorizontalBox(void);
_UI_EXTERN uiBox *uiNewVerticalBox(void);
typedef struct uiCheckbox uiCheckbox;
#define uiCheckbox(this) ((uiCheckbox *) (this))
_UI_EXTERN char *uiCheckboxText(uiCheckbox *c);
_UI_EXTERN void uiCheckboxSetText(uiCheckbox *c, const char *text);
_UI_EXTERN void uiCheckboxOnToggled(uiCheckbox *c, void (*f)(uiCheckbox *c, void *data), void *data);
_UI_EXTERN int uiCheckboxChecked(uiCheckbox *c);
_UI_EXTERN void uiCheckboxSetChecked(uiCheckbox *c, int checked);
_UI_EXTERN uiCheckbox *uiNewCheckbox(const char *text);
typedef struct uiEntry uiEntry;
#define uiEntry(this) ((uiEntry *) (this))
_UI_EXTERN char *uiEntryText(uiEntry *e);
_UI_EXTERN void uiEntrySetText(uiEntry *e, const char *text);
_UI_EXTERN void uiEntryOnChanged(uiEntry *e, void (*f)(uiEntry *e, void *data), void *data);
_UI_EXTERN int uiEntryReadOnly(uiEntry *e);
_UI_EXTERN void uiEntrySetReadOnly(uiEntry *e, int readonly);
_UI_EXTERN uiEntry *uiNewEntry(void);
_UI_EXTERN uiEntry *uiNewPasswordEntry(void);
_UI_EXTERN uiEntry *uiNewSearchEntry(void);
typedef struct uiLabel uiLabel;
#define uiLabel(this) ((uiLabel *) (this))
_UI_EXTERN char *uiLabelText(uiLabel *l);
_UI_EXTERN void uiLabelSetText(uiLabel *l, const char *text);
_UI_EXTERN uiLabel *uiNewLabel(const char *text);
typedef struct uiTab uiTab;
#define uiTab(this) ((uiTab *) (this))
_UI_EXTERN void uiTabAppend(uiTab *t, const char *name, uiControl *c);
_UI_EXTERN void uiTabInsertAt(uiTab *t, const char *name, int before, uiControl *c);
_UI_EXTERN void uiTabDelete(uiTab *t, int index);
_UI_EXTERN int uiTabNumPages(uiTab *t);
_UI_EXTERN int uiTabMargined(uiTab *t, int page);
_UI_EXTERN void uiTabSetMargined(uiTab *t, int page, int margined);
_UI_EXTERN uiTab *uiNewTab(void);
typedef struct uiGroup uiGroup;
#define uiGroup(this) ((uiGroup *) (this))
_UI_EXTERN char *uiGroupTitle(uiGroup *g);
_UI_EXTERN void uiGroupSetTitle(uiGroup *g, const char *title);
_UI_EXTERN void uiGroupSetChild(uiGroup *g, uiControl *c);
_UI_EXTERN int uiGroupMargined(uiGroup *g);
_UI_EXTERN void uiGroupSetMargined(uiGroup *g, int margined);
_UI_EXTERN uiGroup *uiNewGroup(const char *title);
// spinbox/slider rules:
// setting value outside of range will automatically clamp
// initial value is minimum
// complaint if min >= max?
typedef struct uiSpinbox uiSpinbox;
#define uiSpinbox(this) ((uiSpinbox *) (this))
_UI_EXTERN int uiSpinboxValue(uiSpinbox *s);
_UI_EXTERN void uiSpinboxSetValue(uiSpinbox *s, int value);
_UI_EXTERN void uiSpinboxOnChanged(uiSpinbox *s, void (*f)(uiSpinbox *s, void *data), void *data);
_UI_EXTERN uiSpinbox *uiNewSpinbox(int min, int max);
typedef struct uiSlider uiSlider;
#define uiSlider(this) ((uiSlider *) (this))
_UI_EXTERN int uiSliderValue(uiSlider *s);
_UI_EXTERN void uiSliderSetValue(uiSlider *s, int value);
_UI_EXTERN void uiSliderOnChanged(uiSlider *s, void (*f)(uiSlider *s, void *data), void *data);
_UI_EXTERN uiSlider *uiNewSlider(int min, int max);
typedef struct uiProgressBar uiProgressBar;
#define uiProgressBar(this) ((uiProgressBar *) (this))
_UI_EXTERN int uiProgressBarValue(uiProgressBar *p);
_UI_EXTERN void uiProgressBarSetValue(uiProgressBar *p, int n);
_UI_EXTERN uiProgressBar *uiNewProgressBar(void);
typedef struct uiSeparator uiSeparator;
#define uiSeparator(this) ((uiSeparator *) (this))
_UI_EXTERN uiSeparator *uiNewHorizontalSeparator(void);
_UI_EXTERN uiSeparator *uiNewVerticalSeparator(void);
typedef struct uiCombobox uiCombobox;
#define uiCombobox(this) ((uiCombobox *) (this))
_UI_EXTERN void uiComboboxAppend(uiCombobox *c, const char *text);
_UI_EXTERN int uiComboboxSelected(uiCombobox *c);
_UI_EXTERN void uiComboboxSetSelected(uiCombobox *c, int n);
_UI_EXTERN void uiComboboxOnSelected(uiCombobox *c, void (*f)(uiCombobox *c, void *data), void *data);
_UI_EXTERN uiCombobox *uiNewCombobox(void);
typedef struct uiEditableCombobox uiEditableCombobox;
#define uiEditableCombobox(this) ((uiEditableCombobox *) (this))
_UI_EXTERN void uiEditableComboboxAppend(uiEditableCombobox *c, const char *text);
_UI_EXTERN char *uiEditableComboboxText(uiEditableCombobox *c);
_UI_EXTERN void uiEditableComboboxSetText(uiEditableCombobox *c, const char *text);
// TODO what do we call a function that sets the currently selected item and fills the text field with it? editable comboboxes have no consistent concept of selected item
_UI_EXTERN void uiEditableComboboxOnChanged(uiEditableCombobox *c, void (*f)(uiEditableCombobox *c, void *data), void *data);
_UI_EXTERN uiEditableCombobox *uiNewEditableCombobox(void);
typedef struct uiRadioButtons uiRadioButtons;
#define uiRadioButtons(this) ((uiRadioButtons *) (this))
_UI_EXTERN void uiRadioButtonsAppend(uiRadioButtons *r, const char *text);
_UI_EXTERN int uiRadioButtonsSelected(uiRadioButtons *r);
_UI_EXTERN void uiRadioButtonsSetSelected(uiRadioButtons *r, int n);
_UI_EXTERN void uiRadioButtonsOnSelected(uiRadioButtons *r, void (*f)(uiRadioButtons *, void *), void *data);
_UI_EXTERN uiRadioButtons *uiNewRadioButtons(void);
typedef struct uiDateTimePicker uiDateTimePicker;
#define uiDateTimePicker(this) ((uiDateTimePicker *) (this))
_UI_EXTERN uiDateTimePicker *uiNewDateTimePicker(void);
_UI_EXTERN uiDateTimePicker *uiNewDatePicker(void);
_UI_EXTERN uiDateTimePicker *uiNewTimePicker(void);
// TODO provide a facility for entering tab stops?
typedef struct uiMultilineEntry uiMultilineEntry;
#define uiMultilineEntry(this) ((uiMultilineEntry *) (this))
_UI_EXTERN char *uiMultilineEntryText(uiMultilineEntry *e);
_UI_EXTERN void uiMultilineEntrySetText(uiMultilineEntry *e, const char *text);
_UI_EXTERN void uiMultilineEntryAppend(uiMultilineEntry *e, const char *text);
_UI_EXTERN void uiMultilineEntryOnChanged(uiMultilineEntry *e, void (*f)(uiMultilineEntry *e, void *data), void *data);
_UI_EXTERN int uiMultilineEntryReadOnly(uiMultilineEntry *e);
_UI_EXTERN void uiMultilineEntrySetReadOnly(uiMultilineEntry *e, int readonly);
_UI_EXTERN uiMultilineEntry *uiNewMultilineEntry(void);
_UI_EXTERN uiMultilineEntry *uiNewNonWrappingMultilineEntry(void);
typedef struct uiMenuItem uiMenuItem;
#define uiMenuItem(this) ((uiMenuItem *) (this))
_UI_EXTERN void uiMenuItemEnable(uiMenuItem *m);
_UI_EXTERN void uiMenuItemDisable(uiMenuItem *m);
_UI_EXTERN void uiMenuItemOnClicked(uiMenuItem *m, void (*f)(uiMenuItem *sender, uiWindow *window, void *data), void *data);
_UI_EXTERN int uiMenuItemChecked(uiMenuItem *m);
_UI_EXTERN void uiMenuItemSetChecked(uiMenuItem *m, int checked);
typedef struct uiMenu uiMenu;
#define uiMenu(this) ((uiMenu *) (this))
_UI_EXTERN uiMenuItem *uiMenuAppendItem(uiMenu *m, const char *name);
_UI_EXTERN uiMenuItem *uiMenuAppendCheckItem(uiMenu *m, const char *name);
_UI_EXTERN uiMenuItem *uiMenuAppendQuitItem(uiMenu *m);
_UI_EXTERN uiMenuItem *uiMenuAppendPreferencesItem(uiMenu *m);
_UI_EXTERN uiMenuItem *uiMenuAppendAboutItem(uiMenu *m);
_UI_EXTERN void uiMenuAppendSeparator(uiMenu *m);
_UI_EXTERN uiMenu *uiNewMenu(const char *name);
_UI_EXTERN char *uiOpenFile(uiWindow *parent, char* filter, char* initpath);
_UI_EXTERN char *uiSaveFile(uiWindow *parent, char* filter, char* initpath);
_UI_EXTERN void uiMsgBox(uiWindow *parent, const char *title, const char *description);
_UI_EXTERN void uiMsgBoxError(uiWindow *parent, const char *title, const char *description);
typedef struct uiArea uiArea;
typedef struct uiAreaHandler uiAreaHandler;
typedef struct uiAreaDrawParams uiAreaDrawParams;
typedef struct uiAreaMouseEvent uiAreaMouseEvent;
typedef struct uiAreaKeyEvent uiAreaKeyEvent;
typedef struct uiDrawContext uiDrawContext;
struct uiAreaHandler {
void (*Draw)(uiAreaHandler *, uiArea *, uiAreaDrawParams *);
// TODO document that resizes cause a full redraw for non-scrolling areas; implementation-defined for scrolling areas
void (*MouseEvent)(uiAreaHandler *, uiArea *, uiAreaMouseEvent *);
// TODO document that on first show if the mouse is already in the uiArea then one gets sent with left=0
// TODO what about when the area is hidden and then shown again?
void (*MouseCrossed)(uiAreaHandler *, uiArea *, int left);
void (*DragBroken)(uiAreaHandler *, uiArea *);
int (*KeyEvent)(uiAreaHandler *, uiArea *, uiAreaKeyEvent *);
};
// TODO RTL layouts?
// TODO reconcile edge and corner naming
_UI_ENUM(uiWindowResizeEdge) {
uiWindowResizeEdgeLeft,
uiWindowResizeEdgeTop,
uiWindowResizeEdgeRight,
uiWindowResizeEdgeBottom,
uiWindowResizeEdgeTopLeft,
uiWindowResizeEdgeTopRight,
uiWindowResizeEdgeBottomLeft,
uiWindowResizeEdgeBottomRight,
// TODO have one for keyboard resizes?
// TODO GDK doesn't seem to have any others, including for keyboards...
// TODO way to bring up the system menu instead?
};
#define uiArea(this) ((uiArea *) (this))
// TODO give a better name
// TODO document the types of width and height
_UI_EXTERN void uiAreaSetSize(uiArea *a, int width, int height);
// TODO uiAreaQueueRedraw()
_UI_EXTERN void uiAreaQueueRedrawAll(uiArea *a);
_UI_EXTERN void uiAreaScrollTo(uiArea *a, double x, double y, double width, double height);
// TODO document these can only be called within Mouse() handlers
// TODO should these be allowed on scrolling areas?
// TODO decide which mouse events should be accepted; Down is the only one guaranteed to work right now
// TODO what happens to events after calling this up to and including the next mouse up?
// TODO release capture?
_UI_EXTERN void uiAreaBeginUserWindowMove(uiArea *a);
_UI_EXTERN void uiAreaBeginUserWindowResize(uiArea *a, uiWindowResizeEdge edge);
_UI_EXTERN uiArea *uiNewArea(uiAreaHandler *ah);
_UI_EXTERN uiArea *uiNewScrollingArea(uiAreaHandler *ah, int width, int height);
struct uiAreaDrawParams {
uiDrawContext *Context;
// TODO document that this is only defined for nonscrolling areas
double AreaWidth;
double AreaHeight;
double ClipX;
double ClipY;
double ClipWidth;
double ClipHeight;
};
typedef struct uiDrawPath uiDrawPath;
typedef struct uiDrawBrush uiDrawBrush;
typedef struct uiDrawStrokeParams uiDrawStrokeParams;
typedef struct uiDrawMatrix uiDrawMatrix;
typedef struct uiDrawBrushGradientStop uiDrawBrushGradientStop;
typedef struct uiDrawBitmap uiDrawBitmap;
_UI_ENUM(uiDrawBrushType) {
uiDrawBrushTypeSolid,
uiDrawBrushTypeLinearGradient,
uiDrawBrushTypeRadialGradient,
uiDrawBrushTypeImage,
};
_UI_ENUM(uiDrawLineCap) {
uiDrawLineCapFlat,
uiDrawLineCapRound,
uiDrawLineCapSquare,
};
_UI_ENUM(uiDrawLineJoin) {
uiDrawLineJoinMiter,
uiDrawLineJoinRound,
uiDrawLineJoinBevel,
};
// this is the default for botoh cairo and Direct2D (in the latter case, from the C++ helper functions)
// Core Graphics doesn't explicitly specify a default, but NSBezierPath allows you to choose one, and this is the initial value
// so we're good to use it too!
#define uiDrawDefaultMiterLimit 10.0
_UI_ENUM(uiDrawFillMode) {
uiDrawFillModeWinding,
uiDrawFillModeAlternate,
};
struct uiDrawMatrix {
double M11;
double M12;
double M21;
double M22;
double M31;
double M32;
};
struct uiDrawBrush {
uiDrawBrushType Type;
// solid brushes
double R;
double G;
double B;
double A;
// gradient brushes
double X0; // linear: start X, radial: start X
double Y0; // linear: start Y, radial: start Y
double X1; // linear: end X, radial: outer circle center X
double Y1; // linear: end Y, radial: outer circle center Y
double OuterRadius; // radial gradients only
uiDrawBrushGradientStop *Stops;
size_t NumStops;
// TODO extend mode
// cairo: none, repeat, reflect, pad; no individual control
// Direct2D: repeat, reflect, pad; no individual control
// Core Graphics: none, pad; before and after individually
// TODO cairo documentation is inconsistent about pad
// TODO images
// TODO transforms
};
struct uiDrawBrushGradientStop {
double Pos;
double R;
double G;
double B;
double A;
};
struct uiDrawStrokeParams {
uiDrawLineCap Cap;
uiDrawLineJoin Join;
// TODO what if this is 0? on windows there will be a crash with dashing
double Thickness;
double MiterLimit;
double *Dashes;
// TOOD what if this is 1 on Direct2D?
// TODO what if a dash is 0 on Cairo or Quartz?
size_t NumDashes;
double DashPhase;
};
struct uiRect {
int X;
int Y;
int Width;
int Height;
};
typedef struct uiRect uiRect;
_UI_EXTERN uiDrawPath *uiDrawNewPath(uiDrawFillMode fillMode);
_UI_EXTERN void uiDrawFreePath(uiDrawPath *p);
_UI_EXTERN void uiDrawPathNewFigure(uiDrawPath *p, double x, double y);
_UI_EXTERN void uiDrawPathNewFigureWithArc(uiDrawPath *p, double xCenter, double yCenter, double radius, double startAngle, double sweep, int negative);
_UI_EXTERN void uiDrawPathLineTo(uiDrawPath *p, double x, double y);
// notes: angles are both relative to 0 and go counterclockwise
// TODO is the initial line segment on cairo and OS X a proper join?
// TODO what if sweep < 0?
_UI_EXTERN void uiDrawPathArcTo(uiDrawPath *p, double xCenter, double yCenter, double radius, double startAngle, double sweep, int negative);
_UI_EXTERN void uiDrawPathBezierTo(uiDrawPath *p, double c1x, double c1y, double c2x, double c2y, double endX, double endY);
// TODO quadratic bezier
_UI_EXTERN void uiDrawPathCloseFigure(uiDrawPath *p);
// TODO effect of these when a figure is already started
_UI_EXTERN void uiDrawPathAddRectangle(uiDrawPath *p, double x, double y, double width, double height);
_UI_EXTERN void uiDrawPathEnd(uiDrawPath *p);
_UI_EXTERN void uiDrawStroke(uiDrawContext *c, uiDrawPath *path, uiDrawBrush *b, uiDrawStrokeParams *p);
_UI_EXTERN void uiDrawFill(uiDrawContext *c, uiDrawPath *path, uiDrawBrush *b);
// TODO primitives:
// - rounded rectangles
// - elliptical arcs
// - quadratic bezier curves
_UI_EXTERN void uiDrawMatrixSetIdentity(uiDrawMatrix *m);
_UI_EXTERN void uiDrawMatrixTranslate(uiDrawMatrix *m, double x, double y);
_UI_EXTERN void uiDrawMatrixScale(uiDrawMatrix *m, double xCenter, double yCenter, double x, double y);
_UI_EXTERN void uiDrawMatrixRotate(uiDrawMatrix *m, double x, double y, double amount);
_UI_EXTERN void uiDrawMatrixSkew(uiDrawMatrix *m, double x, double y, double xamount, double yamount);
_UI_EXTERN void uiDrawMatrixMultiply(uiDrawMatrix *dest, uiDrawMatrix *src);
_UI_EXTERN int uiDrawMatrixInvertible(uiDrawMatrix *m);
_UI_EXTERN int uiDrawMatrixInvert(uiDrawMatrix *m);
_UI_EXTERN void uiDrawMatrixTransformPoint(uiDrawMatrix *m, double *x, double *y);
_UI_EXTERN void uiDrawMatrixTransformSize(uiDrawMatrix *m, double *x, double *y);
_UI_EXTERN void uiDrawTransform(uiDrawContext *c, uiDrawMatrix *m);
// TODO add a uiDrawPathStrokeToFill() or something like that
_UI_EXTERN void uiDrawClip(uiDrawContext *c, uiDrawPath *path);
_UI_EXTERN void uiDrawSave(uiDrawContext *c);
_UI_EXTERN void uiDrawRestore(uiDrawContext *c);
// bitmap API
_UI_EXTERN uiDrawBitmap* uiDrawNewBitmap(uiDrawContext* c, int width, int height);
_UI_EXTERN void uiDrawBitmapUpdate(uiDrawBitmap* bmp, const void* data);
_UI_EXTERN void uiDrawBitmapDraw(uiDrawContext* c, uiDrawBitmap* bmp, uiRect* srcrect, uiRect* dstrect);
_UI_EXTERN void uiDrawFreeBitmap(uiDrawBitmap* bmp);
// TODO manage the use of Text, Font, and TextFont, and of the uiDrawText prefix in general
///// TODO reconsider this
typedef struct uiDrawFontFamilies uiDrawFontFamilies;
_UI_EXTERN uiDrawFontFamilies *uiDrawListFontFamilies(void);
_UI_EXTERN int uiDrawFontFamiliesNumFamilies(uiDrawFontFamilies *ff);
_UI_EXTERN char *uiDrawFontFamiliesFamily(uiDrawFontFamilies *ff, int n);
_UI_EXTERN void uiDrawFreeFontFamilies(uiDrawFontFamilies *ff);
///// END TODO
typedef struct uiDrawTextLayout uiDrawTextLayout;
typedef struct uiDrawTextFont uiDrawTextFont;
typedef struct uiDrawTextFontDescriptor uiDrawTextFontDescriptor;
typedef struct uiDrawTextFontMetrics uiDrawTextFontMetrics;
_UI_ENUM(uiDrawTextWeight) {
uiDrawTextWeightThin,
uiDrawTextWeightUltraLight,
uiDrawTextWeightLight,
uiDrawTextWeightBook,
uiDrawTextWeightNormal,
uiDrawTextWeightMedium,
uiDrawTextWeightSemiBold,
uiDrawTextWeightBold,
uiDrawTextWeightUltraBold,
uiDrawTextWeightHeavy,
uiDrawTextWeightUltraHeavy,
};
_UI_ENUM(uiDrawTextItalic) {
uiDrawTextItalicNormal,
uiDrawTextItalicOblique,
uiDrawTextItalicItalic,
};
_UI_ENUM(uiDrawTextStretch) {
uiDrawTextStretchUltraCondensed,
uiDrawTextStretchExtraCondensed,
uiDrawTextStretchCondensed,
uiDrawTextStretchSemiCondensed,
uiDrawTextStretchNormal,
uiDrawTextStretchSemiExpanded,
uiDrawTextStretchExpanded,
uiDrawTextStretchExtraExpanded,
uiDrawTextStretchUltraExpanded,
};
struct uiDrawTextFontDescriptor {
const char *Family;
double Size;
uiDrawTextWeight Weight;
uiDrawTextItalic Italic;
uiDrawTextStretch Stretch;
};
struct uiDrawTextFontMetrics {
double Ascent;
double Descent;
double Leading;
// TODO do these two mean the same across all platforms?
double UnderlinePos;
double UnderlineThickness;
};
_UI_EXTERN uiDrawTextFont *uiDrawLoadClosestFont(const uiDrawTextFontDescriptor *desc);
_UI_EXTERN void uiDrawFreeTextFont(uiDrawTextFont *font);
_UI_EXTERN uintptr_t uiDrawTextFontHandle(uiDrawTextFont *font);
_UI_EXTERN void uiDrawTextFontDescribe(uiDrawTextFont *font, uiDrawTextFontDescriptor *desc);
// TODO make copy with given attributes methods?
// TODO yuck this name
_UI_EXTERN void uiDrawTextFontGetMetrics(uiDrawTextFont *font, uiDrawTextFontMetrics *metrics);
// TODO initial line spacing? and what about leading?
_UI_EXTERN uiDrawTextLayout *uiDrawNewTextLayout(const char *text, uiDrawTextFont *defaultFont, double width);
_UI_EXTERN void uiDrawFreeTextLayout(uiDrawTextLayout *layout);
// TODO get width
_UI_EXTERN void uiDrawTextLayoutSetWidth(uiDrawTextLayout *layout, double width);
_UI_EXTERN void uiDrawTextLayoutExtents(uiDrawTextLayout *layout, double *width, double *height);
// and the attributes that you can set on a text layout
_UI_EXTERN void uiDrawTextLayoutSetColor(uiDrawTextLayout *layout, int startChar, int endChar, double r, double g, double b, double a);
_UI_EXTERN void uiDrawText(uiDrawContext *c, double x, double y, uiDrawTextLayout *layout);
_UI_ENUM(uiModifiers) {
uiModifierCtrl = 1 << 0,
uiModifierAlt = 1 << 1,
uiModifierShift = 1 << 2,
uiModifierSuper = 1 << 3,
};
// TODO document drag captures
struct uiAreaMouseEvent {
// TODO document what these mean for scrolling areas
double X;
double Y;
// TODO see draw above
double AreaWidth;
double AreaHeight;
int Down;
int Up;
int Count;
uiModifiers Modifiers;
uint64_t Held1To64;
};
_UI_ENUM(uiExtKey) {
uiExtKeyEscape = 1,
uiExtKeyInsert, // equivalent to "Help" on Apple keyboards
uiExtKeyDelete,
uiExtKeyHome,
uiExtKeyEnd,
uiExtKeyPageUp,
uiExtKeyPageDown,
uiExtKeyUp,
uiExtKeyDown,
uiExtKeyLeft,
uiExtKeyRight,
uiExtKeyF1, // F1..F12 are guaranteed to be consecutive
uiExtKeyF2,
uiExtKeyF3,
uiExtKeyF4,
uiExtKeyF5,
uiExtKeyF6,
uiExtKeyF7,
uiExtKeyF8,
uiExtKeyF9,
uiExtKeyF10,
uiExtKeyF11,
uiExtKeyF12,
uiExtKeyN0, // numpad keys; independent of Num Lock state
uiExtKeyN1, // N0..N9 are guaranteed to be consecutive
uiExtKeyN2,
uiExtKeyN3,
uiExtKeyN4,
uiExtKeyN5,
uiExtKeyN6,
uiExtKeyN7,
uiExtKeyN8,
uiExtKeyN9,
uiExtKeyNDot,
uiExtKeyNEnter,
uiExtKeyNAdd,
uiExtKeyNSubtract,
uiExtKeyNMultiply,
uiExtKeyNDivide,
};
struct uiAreaKeyEvent {
char Key;
uiExtKey ExtKey;
uiModifiers Modifier;
uiModifiers Modifiers;
int Up;
};
typedef struct uiFontButton uiFontButton;
#define uiFontButton(this) ((uiFontButton *) (this))
// TODO document this returns a new font
_UI_EXTERN uiDrawTextFont *uiFontButtonFont(uiFontButton *b);
// TOOD SetFont, mechanics
_UI_EXTERN void uiFontButtonOnChanged(uiFontButton *b, void (*f)(uiFontButton *, void *), void *data);
_UI_EXTERN uiFontButton *uiNewFontButton(void);
typedef struct uiColorButton uiColorButton;
#define uiColorButton(this) ((uiColorButton *) (this))
_UI_EXTERN void uiColorButtonColor(uiColorButton *b, double *r, double *g, double *bl, double *a);
_UI_EXTERN void uiColorButtonSetColor(uiColorButton *b, double r, double g, double bl, double a);
_UI_EXTERN void uiColorButtonOnChanged(uiColorButton *b, void (*f)(uiColorButton *, void *), void *data);
_UI_EXTERN uiColorButton *uiNewColorButton(void);
typedef struct uiForm uiForm;
#define uiForm(this) ((uiForm *) (this))
_UI_EXTERN void uiFormAppend(uiForm *f, const char *label, uiControl *c, int stretchy);
_UI_EXTERN void uiFormDelete(uiForm *f, int index);
_UI_EXTERN int uiFormPadded(uiForm *f);
_UI_EXTERN void uiFormSetPadded(uiForm *f, int padded);
_UI_EXTERN uiForm *uiNewForm(void);
_UI_ENUM(uiAlign) {
uiAlignFill,
uiAlignStart,
uiAlignCenter,
uiAlignEnd,
};
_UI_ENUM(uiAt) {
uiAtLeading,
uiAtTop,
uiAtTrailing,
uiAtBottom,
};
typedef struct uiGrid uiGrid;
#define uiGrid(this) ((uiGrid *) (this))
_UI_EXTERN void uiGridAppend(uiGrid *g, uiControl *c, int left, int top, int xspan, int yspan, int hexpand, uiAlign halign, int vexpand, uiAlign valign);
_UI_EXTERN void uiGridInsertAt(uiGrid *g, uiControl *c, uiControl *existing, uiAt at, int xspan, int yspan, int hexpand, uiAlign halign, int vexpand, uiAlign valign);
_UI_EXTERN int uiGridPadded(uiGrid *g);
_UI_EXTERN void uiGridSetPadded(uiGrid *g, int padded);
_UI_EXTERN uiGrid *uiNewGrid(void);
#ifdef __cplusplus
}
#endif
#endif
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