ObjectivelyMVC
Object oriented MVC framework for SDL3 and GNU C
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Panel Struct Reference

Draggable and resizable container Views. More...

#include <Panel.h>

Inheritance diagram for Panel:
Control View

Public Member Functions

Class * _Panel (void)
 The Panel archetype.
 
SDL_Size contentSize (const Panel *self)
 
PanelinitWithFrame (Panel *self, const SDL_Rect *frame)
 Initializes this Panel with the specified frame and style.
 
- Public Member Functions inherited from Control
Class * _Control (void)
 The Control archetype.
 
bool captureEvent (Control *self, const SDL_Event *event)
 Captures a given event, potentially altering the state of this Control.
 
Control initWithFrame (Control *self, const SDL_Rect *frame)
 Initializes this Control with the specified frame and style.
 
bool isDisabled (const Control *self)
 
bool isFocused (const Control *self)
 
bool isHighlighted (const Control *self)
 
bool isSelected (const Control *self)
 
void stateDidChange (Control *self)
 Called when the state of this Control changes.
 
- Public Member Functions inherited from View
Class * _View (void)
 The View archetype.
 
bool acceptsKeyResponder (const View *self)
 
bool acceptsTouchResponder (const View *self)
 
void addClassName (View *self, const char *className)
 Adds the given class name to this View.
 
void addSubview (View *self, View *subview)
 Adds a subview to this view, to be drawn above its siblings.
 
void addSubviewRelativeTo (View *self, View *subview, View *other, ViewPosition position)
 Adds a subview to this view, positioned relatively to other.
 
 ancestorWithIdentifier (const View *self, const char *identifier)
 
void applyStyle (View *self, const Style *style)
 Applies the given Style to this View.
 
void applyTheme (View *self, const Theme *theme)
 Applies the given Theme to this View.
 
void applyThemeIfNeeded (View *self, const Theme *theme)
 Recursively applies the Theme to this View and its subviews.
 
void attachStylesheet (View *self, SDL_Window *window)
 Attaches this View's Stylesheet to the Theme associated with the given window.
 
void awakeWithCharacters (View *self, const char *chars)
 Wakes this View with the given null-terminated JSON C string.
 
void awakeWithData (View *self, const Data *data)
 Wakes this View with the specified JSON Data.
 
void awakeWithDictionary (View *, const Dictionary *)
 Wakes this View with the specified Dictionary.
 
void awakeWithResource (View *self, const Resource *resource)
 Wakes this View with the specified Resource.
 
void awakeWithResourceName (View *self, const char *name)
 Wakes this View with the Resource by the specified name.
 
void becomeKeyResponder (View *self)
 Become the key responder in the View hierarchy.
 
void becomeTouchResponder (View *self)
 Become the touch responder in the View hierarchy.
 
bool bind (View *self, const Inlet *inlets, const Dictionary *dictionary)
 Performs data binding for the Inlets described in dictionary.
 
SDL_Rect bounds (const View *self)
 
void bringSubviewToFront (View *self, View *subview)
 Brings the specified subview to the front.
 
void clearWarnings (const View *self, WarningType type)
 Clears this View's Warnings matching the given level.
 
SDL_Rect clippingFrame (const View *self)
 
bool containsPoint (const View *self, const SDL_Point *point)
 
int depth (const View *self)
 
 descendantWithIdentifier (const View *self, const char *identifier)
 
void detachStylesheet (View *self, SDL_Window *window)
 Detaches this View's Stylesheet from the Theme associated with the given window.
 
void didMoveToWindow (View *self, SDL_Window *window)
 Informs this View that it has been added to the View hierachy of the given window.
 
bool didReceiveEvent (const View *self, const SDL_Event *event)
 
void draw (View *self, Renderer *renderer)
 Draws this View.
 
void emitViewEvent (View *self, ViewEvent code, ident data)
 Emits a ViewEvent originating from this View.
 
void enumerate (const View *self, ViewEnumerator enumerator, ident data)
 
void enumerate (View *self, ViewEnumerator enumerator, ident data)
 Enumerates this View and its descendants, applying enumerator to each.
 
void enumerateAdjacent (const View *self, ViewEnumerator enumerator, ident data)
 Enumerates adjacent siblings of this View, applying enumerator to each.
 
void enumerateAncestors (const View *self, ViewEnumerator enumerator, ident data)
 Enumerates all ancestors of this View, applying enumerator to each.
 
void enumerateDescendants (const View *self, ViewEnumerator enumerator, ident data)
 Enumerates all descendants of this View, applying enumerator to each.
 
void enumerateSelection (View *self, const char *rule, ViewEnumerator enumerator, ident data)
 Enumerates all Views in the selection matched by rule, applying enumerator to each.
 
void enumerateSiblings (const View *self, ViewEnumerator enumerator, ident data)
 Enumerates all siblings of this View, applying enumerator to each.
 
void enumerateSubviews (const View *self, ViewEnumerator enumerator, ident data)
 Enumerates all subviews of this View, applying enumerator to each.
 
void enumerateSuperview (const View *self, ViewEnumerator enumerator, ident data)
 Enumerates the superview of this View, if any, applying enumerator to it.
 
void enumerateVisible (const View *self, ViewEnumerator enumerator, ident data)
 
void enumerateVisible (View *self, ViewEnumerator enumerator, ident data)
 Enumerates this View and its visible descendants, applying enumerator to each.
 
bool hasClassName (const View *self, cosnt char *className)
 
bool hasOverflow (const View *self)
 
ViewhitTest (const View *self, const SDL_Point *point)
 Performs a hit test against this View and its descendants for the given point.
 
Viewinit (View *self)
 Initializes this View.
 
ViewinitWithFrame (View *self, const SDL_Rect *frame)
 Initializes this View with the specified frame.
 
void invalidateStyle (View *self)
 Invalidates the computed Style for this View and its descendants.
 
bool isContainer (const View *self)
 
bool isDescendantOfView (const View *self, const View *view)
 
bool isKeyResponder (const View *self)
 
bool isTouchResponder (const View *self)
 
bool isVisible (const View *self)
 
void layoutIfNeeded (View *self)
 Recursively updates the layout of this View and its subviews.
 
 layoutSubviews (View *self)
 Performs layout for this View's immediate subviews.
 
bool matchesSelector (const View *self, const SimpleSelector *simpleSelector)
 
void moveToWindow (View *self, SDL_Window *window)
 Moves this View to the View hierarchy of the given window.
 
String * path (const View *self)
 
void removeAllClassNames (View *self)
 Removes all class names from this View.
 
void removeAllSubviews (View *self)
 Removes all subviews from this View.
 
void removeClassName (View *self, const char *className)
 Removes the given class name to this View.
 
void removeFromSuperview (View *self)
 Removes this View from its superview.
 
void removeSubview (View *self, View *subview)
 Removes the given subview from this View.
 
void render (View *self, Renderer *renderer)
 Renders this View using the given renderer.
 
void renderDeviceDidReset (View *self)
 Informs this View that the render device has reset.
 
void renderDeviceWillReset (View *self)
 Informs this View that the render device will reset.
 
SDL_Rect renderFrame (const View *self)
 
void replaceSubview (View *self, View *subview, View *replacement)
 Replaces the specified subview with the given replacement.
 
void resignKeyResponder (View *self)
 Resigns key responder priority.
 
void resignTouchResponder (View *self)
 Resigns touch responder priority.
 
void resize (View *self, const SDL_Size *size)
 Resizes this View to the specified size.
 
void resolve (View *self, Outlet *outlets)
 Resolves the given Outlets from this View's hierarchy.
 
void respondToEvent (View *self, const SDL_Event *event)
 Responds to the specified event.
 
Set * select (View *self, const char *rule)
 Resolves all descendants (including this View) that match the given Selector rule.
 
ViewselectFirst (View *self, const char *rule)
 Resolves the first descendant View that matches the given Selector rule.
 
SDL_Size size (const View *self)
 
SDL_Size sizeThastFills (const View *self)
 
SDL_Size sizeThatContains (const View *self)
 
SDL_Size sizeThatFills (const View *self)
 
void sizeThatFits (const View *self)
 
void sizeToContain (View *self)
 Resizes this View to contain its subviews.
 
void sizeToFill (View *self)
 Resizes this View to fill its superview.
 
void sizeToFit (View *self)
 Resizes this View to fit its subviews.
 
 subviewWithIdentifier (const View *self, const char *identifier)
 
void updateBindings (View *self)
 Updates data bindings, prompting the appropriate layout changes.
 
SDL_Rect viewport (const View *self)
 
ViewviewWithCharacters (const char *chars, Outlet *outlets)
 Instantiates a View initialized with the given null-terminated JSON C string.
 
ViewviewWithData (const Data *data, Outlet *outlets)
 Instantiates a View initialized with the contents of data.
 
ViewviewWithDictionary (const Dictionary *dictionary, Outlet *outlets)
 Instantiates a View initialized with the attributes described in dictionary.
 
ViewviewWithResource (const Resource *resource, Outlet *outlets)
 Instantiates a View initialized with the JSON data in resource.
 
ViewviewWithResourceName (const char *name, Outlet *outlets)
 Instantiates a View initialized with the JSON Resource with the specified name.
 
Array * visibleSubviews (const View *self)
 
void warn (View *self, ViewWarningType type, const char *fmt,...)
 
void warn (View *self, WarningType level, const char *fmt,...)
 Appends a warning for this View.
 
void willMoveToWindow (View *self, SDL_Window *window)
 Informs this View that it will be added to the View hierarchy for the given window.
 

Data Fields

StackViewaccessoryView
 The optional accessories container.
 
StackViewcontentView
 The internal container.
 
Control control
 The superclass.
 
bool isDraggable
 If true, this Panel may be repositioned by the user.
 
bool isDragging
 True if the user is repositioning this Panel.
 
bool isResizable
 If true, this Panel may be resized by the user.
 
bool isResizing
 True if the user is resizing this Panel.
 
- Data Fields inherited from Control
ControlBevel bevel
 The ControlBevel.
 
ControlSelection selection
 The ControlSelection.
 
unsigned int state
 The bit mask of ControlState.
 
View view
 The superclass.
 
- Data Fields inherited from View
ViewAlignment alignment
 The alignment.
 
int autoresizingMask
 The ViewAutoresizing bitmask.
 
SDL_Color backgroundColor
 The background color.
 
SDL_Color borderColor
 The border color.
 
int borderWidth
 The border width.
 
Set * classNames
 The class names.
 
bool clipsSubviews
 If true, subviews will be clipped to this View's frame.
 
StylecomputedStyle
 The computed Style of this View.
 
SDL_Rect frame
 The frame, relative to the superview.
 
bool hidden
 If true, this View is not drawn.
 
char * identifier
 An optional identifier.
 
SDL_Size maxSize
 The maximum size this View may be resized to during layout.
 
SDL_Size minSize
 The minimum size this View may be resized to during layout.
 
bool needsApplyTheme
 If true, this View will apply the Theme before it is drawn.
 
bool needsLayout
 If true, this View will layout its subviews before it is drawn.
 
ViewnextResponder
 The next responder, or event handler, in the chain.
 
Object object
 The superclass.
 
ViewPadding padding
 The padding.
 
Stylestyle
 The element-level Style of this View.
 
Stylesheetstylesheet
 An optional Stylesheet.
 
Array * subviews
 The immediate subviews.
 
Viewsuperview
 The super View.
 
ViewControllerviewController
 The ViewController.
 
Array * warnings
 The Warnings this View generated.
 
SDL_Window * window
 The window.
 

Protected Attributes

PanelInterface * interface
 The interface.
 
- Protected Attributes inherited from Control
ControlInterface * interface
 The interface.
 
- Protected Attributes inherited from View
ViewInterface * interface
 The interface.
 

Detailed Description

Draggable and resizable container Views.

Remarks
Panels are draggable containers, analagous to windows or dialogs in traditional desktop environments. Panels can optionally be positioned and resized by the user.

Definition at line 47 of file Panel.h.

Member Function Documentation

◆ _Panel()

Class * _Panel ( void  )

The Panel archetype.

Returns
The Panel Class.

Definition at line 296 of file Panel.c.

296 {
297 static Class *clazz;
298 static Once once;
299
300 do_once(&once, {
301 clazz = _initialize(&(const ClassDef) {
302 .name = "Panel",
303 .superclass = _Control(),
304 .instanceSize = sizeof(Panel),
305 .interfaceOffset = offsetof(Panel, interface),
306 .interfaceSize = sizeof(PanelInterface),
308 .destroy = destroy,
309 });
310 });
311
312 return clazz;
313}
static void initialize(Class *clazz)
Definition Box.c:123
static void destroy(Class *clazz)
Definition Checkbox.c:176
Class * _Control(void)
The Control archetype.
Definition Control.c:391
Draggable and resizable container Views.
Definition Panel.h:47
PanelInterface * interface
The interface.
Definition Panel.h:58

◆ contentSize()

SDL_Size contentSize ( const Panel self)
Parameters
selfThe Panel.
Returns
The available content size.

Definition at line 195 of file Panel.c.

195 {
196
197 const View *accessoryView = (View *) self->accessoryView;
198 const View *contentView = (View *) self->contentView;
199
200 SDL_Size size = $(contentView, sizeThatContains);
201
202 if (accessoryView->hidden == false) {
203 const SDL_Size accessorySize = $(accessoryView, sizeThatContains);
204 size.h -= accessorySize.h + self->stackView->spacing;
205 }
206
207 return size;
208}
StackView * accessoryView
The optional accessories container.
Definition Panel.h:64
StackView * contentView
The internal container.
Definition Panel.h:69
int spacing
The subview spacing.
Definition StackView.h:94
Views are the fundamental building blocks of ObjectivelyMVC user interfaces.
Definition View.h:134
SDL_Size size(const View *self)
Definition View.c:1651
SDL_Size sizeThatContains(const View *self)
Definition View.c:1659
bool hidden
If true, this View is not drawn.
Definition View.h:196

◆ initWithFrame()

Panel * initWithFrame ( Panel self,
const SDL_Rect *  frame 
)

Initializes this Panel with the specified frame and style.

Parameters
selfThe Panel.
frameThe frame.
Returns
The initialized Panel, or NULL on error.

Definition at line 214 of file Panel.c.

214 {
215
216 self = (Panel *) super(Control, self, initWithFrame, frame);
217 if (self) {
218 View *this = (View *) self;
219
220 self->isDraggable = true;
221 self->isResizable = true;
222
223 self->stackView = $(alloc(StackView), initWithFrame, NULL);
224 assert(self->stackView);
225
226 $(this, addSubview, (View *) self->stackView);
227
228 self->contentView = $(alloc(StackView), initWithFrame, NULL);
229 assert(self->contentView);
230
231 $((View *) self->contentView, addClassName, "contentView");
232 $((View *) self->contentView, addClassName, "container");
233
235
236 $((View *) self->stackView, addSubview, (View *) self->contentView);
237
238 self->accessoryView = $(alloc(StackView), initWithFrame, NULL);
239 assert(self->accessoryView);
240
241 $((View *) self->accessoryView, addClassName, "accessoryView");
242 $((View *) self->accessoryView, addClassName, "container");
243
244 self->accessoryView->view.hidden = true;
245
246 $((View *) self->stackView, addSubview, (View *) self->accessoryView);
247
248 self->resizeHandle = $(alloc(ImageView), initWithImage, _resize);
249 assert(self->resizeHandle);
250
251 self->resizeHandle->view.alignment = ViewAlignmentInternal;
252
253 self->resizeHandle->view.frame.w = DEFAULT_PANEL_RESIZE_HANDLE_SIZE;
254 self->resizeHandle->view.frame.h = DEFAULT_PANEL_RESIZE_HANDLE_SIZE;
255
256 $((View *) self, addSubview, (View *) self->resizeHandle);
257 }
258
259 return self;
260}
static Button * initWithImage(Button *self, Image *image)
Definition Button.c:161
static Image * _resize
Definition Panel.c:30
#define DEFAULT_PANEL_RESIZE_HANDLE_SIZE
Definition Panel.h:35
@ ViewAutoresizingWidth
Definition View.h:88
@ ViewAlignmentInternal
Definition View.h:78
Controls are Views which capture and respond to events.
Definition Control.h:83
ImageViews render an Image in the context of a View hierarchy.
Definition ImageView.h:45
View view
The superclass.
Definition ImageView.h:50
bool isResizable
If true, this Panel may be resized by the user.
Definition Panel.h:84
Panel * initWithFrame(Panel *self, const SDL_Rect *frame)
Initializes this Panel with the specified frame and style.
Definition Panel.c:214
bool isDraggable
If true, this Panel may be repositioned by the user.
Definition Panel.h:74
StackViews are containers that manage the arrangement of their subviews.
Definition StackView.h:68
View view
The superclass.
Definition StackView.h:73
ViewAlignment alignment
The alignment.
Definition View.h:150
void addSubview(View *self, View *subview)
Adds a subview to this view, to be drawn above its siblings.
Definition PageView.c:49
void addClassName(View *self, const char *className)
Adds the given class name to this View.
Definition View.c:159
int autoresizingMask
The ViewAutoresizing bitmask.
Definition View.h:155
SDL_Rect frame
The frame, relative to the superview.
Definition View.h:191

Field Documentation

◆ accessoryView

StackView* Panel::accessoryView

The optional accessories container.

Remarks
This View is hidden by default.

Definition at line 64 of file Panel.h.

◆ contentView

StackView* Panel::contentView

The internal container.

Definition at line 69 of file Panel.h.

◆ control

Control Panel::control

The superclass.

Definition at line 52 of file Panel.h.

◆ interface

PanelInterface* Panel::interface
protected

The interface.

Definition at line 58 of file Panel.h.

◆ isDraggable

bool Panel::isDraggable

If true, this Panel may be repositioned by the user.

Definition at line 74 of file Panel.h.

◆ isDragging

bool Panel::isDragging

True if the user is repositioning this Panel.

Definition at line 79 of file Panel.h.

◆ isResizable

bool Panel::isResizable

If true, this Panel may be resized by the user.

Definition at line 84 of file Panel.h.

◆ isResizing

bool Panel::isResizing

True if the user is resizing this Panel.

Definition at line 89 of file Panel.h.


The documentation for this struct was generated from the following files: