7f9368cae5
The inseparable changes necessary to support live color updating across the system in a sane, safe, and performant manner. BView gains: HasSystemColors() HasDefaultColors() AdoptSystemColors() AdoptParentColors() AdoptViewColor(BView*) SetViewUIColor(color_which, float tint) SetHighUIColor(... SetLowUIColor(... ViewUIColor(float* tint) HighUIColor(... LowUIColor(... DelayedInvalidate() BWindow gains a simple helper method: IsOffscreenWindow() BMessage gains: AddColor() FindColor() GetColor() HasColor() * allegedly this API is deprecated, but I implemented it anyway ReplaceColor() SetColor() Previous private ColorTools methods are made public and moved into GraphicsDefs: mix_color, blend_color, disable_color These are fully compatible with BeOS dan0 R5.1 methods and are just code cleanup of BeOS example code under the OpenTracker license. In addition, four new colors are created: B_LINK_TEXT_COLOR B_LINK_HOVER_COLOR B_LINK_ACTIVE_COLOR B_LINK_VISITED_COLOR These changes are documented in their proper user documentation files. In addition, due to a history rewrite, B_FOLLOW_LEFT_TOP has been defined and used in lieu of B_FOLLOW_TOP | B_FOLLOW_LEFT and is included in this commit. On the app_server side, the following has changed: Add DelayedMessage - a system by which messages can be sent at a scheduled time, and can also be merged according to set rules. A single thread is used to service the message queue and multiple recipients can be set for each message. Desktop gains the ability to add message ports to a DelayedMessage so that said messages can target either all applications or all windows, as needed. Desktop maintains a BMessage which is used to queue up all pending color changes and the delayed messaging system is used to enact these changes after a short period of time has passed. This prevents abuse and allows the system to merge repeated set_ui_color events into one event for client applications, improving performance drastically. In addition, B_COLORS_UPDATED is sent to the BApplication, which forwards the message to each BWindow. This is done to improve performance over having the app_server independently informing each window. Decorator changes are live now, which required some reworking. Signed-off-by: Augustin Cavalier <waddlesplash@gmail.com>
133 lines
3.9 KiB
C++
133 lines
3.9 KiB
C++
/*
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* Copyright 2004-2015 Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _SCROLL_VIEW_H
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#define _SCROLL_VIEW_H
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#include <ScrollBar.h>
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/*! The BScrollView is a convenience class to add a scrolling
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mechanism to the target view.
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*/
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class BScrollView : public BView {
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public:
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BScrollView(const char* name, BView* target,
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uint32 resizingMode = B_FOLLOW_LEFT_TOP,
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uint32 flags = 0, bool horizontal = false,
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bool vertical = false,
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border_style border = B_FANCY_BORDER);
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BScrollView(const char* name, BView* target,
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uint32 flags, bool horizontal,
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bool vertical, border_style border
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= B_FANCY_BORDER);
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BScrollView(BMessage* archive);
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virtual ~BScrollView();
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static BArchivable* Instantiate(BMessage* archive);
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virtual status_t Archive(BMessage* archive, bool deep = true) const;
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virtual status_t AllUnarchived(const BMessage* archive);
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// Hook methods
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virtual void AllAttached();
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virtual void AllDetached();
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virtual void AttachedToWindow();
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virtual void DetachedFromWindow();
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virtual void Draw(BRect updateRect);
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virtual void FrameMoved(BPoint newPosition);
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virtual void FrameResized(float newWidth, float newHeight);
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virtual void MessageReceived(BMessage* message);
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virtual void MouseDown(BPoint where);
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virtual void MouseMoved(BPoint where, uint32 code,
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const BMessage* dragMessage);
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virtual void MouseUp(BPoint where);
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virtual void WindowActivated(bool active);
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// Size
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virtual void GetPreferredSize(float* _width, float* _height);
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virtual void ResizeToPreferred();
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virtual void MakeFocus(bool focus = true);
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virtual BSize MinSize();
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virtual BSize MaxSize();
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virtual BSize PreferredSize();
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// BScrollBar
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BScrollBar* ScrollBar(orientation direction) const;
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virtual void SetBorder(border_style border);
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border_style Border() const;
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void SetBorders(uint32 borders);
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uint32 Borders() const;
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virtual status_t SetBorderHighlighted(bool highlight);
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bool IsBorderHighlighted() const;
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void SetTarget(BView* target);
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BView* Target() const;
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// Scripting
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virtual BHandler* ResolveSpecifier(BMessage* message,
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int32 index, BMessage* specifier,
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int32 what, const char* property);
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virtual status_t GetSupportedSuites(BMessage* message);
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virtual status_t Perform(perform_code d, void* arg);
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protected:
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virtual void LayoutInvalidated(bool descendants = false);
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virtual void DoLayout();
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private:
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// FBC padding and forbidden methods
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virtual void _ReservedScrollView1();
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virtual void _ReservedScrollView2();
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virtual void _ReservedScrollView3();
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virtual void _ReservedScrollView4();
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BScrollView& operator=(const BScrollView& other);
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private:
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friend class BView;
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void _Init(bool horizontal, bool vertical);
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float _BorderSize() const;
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BRect _InnerFrame() const;
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BSize _ComputeSize(BSize targetSize) const;
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BRect _ComputeFrame(BRect targetRect) const;
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void _AlignScrollBars(bool horizontal,
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bool vertical, BRect targetFrame);
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static BRect _ComputeFrame(BRect frame, bool horizontal,
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bool vertical, border_style border,
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uint32 borders);
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static BRect _ComputeFrame(BView* target, bool horizontal,
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bool vertical, border_style border,
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uint32 borders);
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static float _BorderSize(border_style border);
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static int32 _ModifyFlags(int32 flags, border_style border);
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static void _InsetBorders(BRect& frame, border_style border,
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uint32 borders, bool expand = false);
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private:
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BView* fTarget;
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BScrollBar* fHorizontalScrollBar;
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BScrollBar* fVerticalScrollBar;
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border_style fBorder;
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uint16 fPreviousWidth;
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uint16 fPreviousHeight;
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bool fHighlighted;
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uint32 fBorders;
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uint32 _reserved[2];
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};
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#endif // _SCROLL_VIEW_H
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