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haiku/headers/os/interface/ControlLook.h
Pascal Abresch 409d65c0d6 Decorator: Introduce Scroll bar size call 
Change-Id: I07f08c2893d832e431c29ae753e0a93d6e619701
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3892
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
Reviewed-by: X512 <danger_mail@list.ru>
2021-05-03 16:42:32 +00:00

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/*
* Copyright 2009-2020 Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _CONTROL_LOOK_H
#define _CONTROL_LOOK_H
#include <Alignment.h>
#include <Font.h>
#include <Rect.h>
#include <Slider.h>
class BBitmap;
class BControl;
class BGradientLinear;
class BView;
// WARNING! This is experimental API and may change! Be prepared to
// recompile your software in a next version of haiku.
namespace BPrivate {
class BControlLook {
public:
BControlLook();
virtual ~BControlLook();
// TODO: Probably more convenient to pull these enums into global
// namespace and rename them to e.g. "B_CONTROL_LOOK_FOCUSED" instead of
// "BControlLook::B_FOCUSED".
enum frame_type {
B_BUTTON_FRAME,
B_GROUP_FRAME,
B_MENU_FIELD_FRAME,
B_SCROLL_VIEW_FRAME,
B_TEXT_CONTROL_FRAME,
};
enum background_type {
B_BUTTON_BACKGROUND,
B_BUTTON_WITH_POP_UP_BACKGROUND,
B_MENU_BACKGROUND,
B_MENU_BAR_BACKGROUND,
B_MENU_FIELD_BACKGROUND,
B_MENU_ITEM_BACKGROUND,
B_HORIZONTAL_SCROLL_BAR_BACKGROUND,
B_VERTICAL_SCROLL_BAR_BACKGROUND,
};
enum {
B_LEFT_BORDER = 1 << 0,
B_RIGHT_BORDER = 1 << 1,
B_TOP_BORDER = 1 << 2,
B_BOTTOM_BORDER = 1 << 3,
B_ALL_BORDERS = B_LEFT_BORDER | B_RIGHT_BORDER
| B_TOP_BORDER | B_BOTTOM_BORDER
};
enum {
B_LEFT_ARROW = 0,
B_RIGHT_ARROW = 1,
B_UP_ARROW = 2,
B_DOWN_ARROW = 3,
B_LEFT_UP_ARROW = 4,
B_RIGHT_UP_ARROW = 5,
B_RIGHT_DOWN_ARROW = 6,
B_LEFT_DOWN_ARROW = 7
};
enum {
B_FOCUSED = 1 << 0,
B_CLICKED = 1 << 1, // some controls activate on mouse up
B_ACTIVATED = 1 << 2,
B_HOVER = 1 << 3,
B_DISABLED = 1 << 4,
B_DEFAULT_BUTTON = 1 << 5,
B_IGNORE_OUTLINE = 1 << 6,
B_PARTIALLY_ACTIVATED = 1 << 7, // like B_ACTIVATED, but for tri-state
B_FLAT = 1 << 8, // flat look (e.g. button background)
B_INVALID = 1 << 9, // invalid value, use B_FAILURE_COLOR
B_IS_CONTROL = 1 << 10, // use control colors
B_BLEND_FRAME = 1 << 16,
};
enum {
B_KNOB_NONE = 0,
B_KNOB_DOTS,
B_KNOB_LINES
};
virtual BAlignment DefaultLabelAlignment() const = 0;
virtual float DefaultLabelSpacing() const = 0;
virtual float DefaultItemSpacing() const = 0;
static float ComposeSpacing(float spacing);
virtual uint32 Flags(BControl* control) const = 0;
virtual void DrawButtonFrame(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base,
const rgb_color& background,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawButtonFrame(BView* view, BRect& rect,
const BRect& updateRect,
float radius,
const rgb_color& base,
const rgb_color& background,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawButtonFrame(BView* view, BRect& rect,
const BRect& updateRect,
float leftTopRadius,
float rightTopRadius,
float leftBottomRadius,
float rightBottomRadius,
const rgb_color& base,
const rgb_color& background,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawButtonBackground(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS,
orientation orientation = B_HORIZONTAL) = 0;
virtual void DrawButtonBackground(BView* view, BRect& rect,
const BRect& updateRect,
float radius,
const rgb_color& base,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS,
orientation orientation = B_HORIZONTAL) = 0;
virtual void DrawButtonBackground(BView* view, BRect& rect,
const BRect& updateRect,
float leftTopRadius,
float rightTopRadius,
float leftBottomRadius,
float rightBottomRadius,
const rgb_color& base,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS,
orientation orientation = B_HORIZONTAL) = 0;
virtual void DrawMenuBarBackground(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawMenuFieldFrame(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base,
const rgb_color& background,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawMenuFieldFrame(BView* view, BRect& rect,
const BRect& updateRect,
float radius,
const rgb_color& base,
const rgb_color& background,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawMenuFieldFrame(BView* view, BRect& rect,
const BRect& updateRect,
float leftTopRadius,
float rightTopRadius,
float leftBottomRadius,
float rightBottomRadius,
const rgb_color& base,
const rgb_color& background,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawMenuFieldBackground(BView* view,
BRect& rect, const BRect& updateRect,
const rgb_color& base, bool popupIndicator,
uint32 flags = 0) = 0;
virtual void DrawMenuFieldBackground(BView* view,
BRect& rect, const BRect& updateRect,
float radius, const rgb_color& base,
bool popupIndicator, uint32 flags = 0) = 0;
virtual void DrawMenuFieldBackground(BView* view,
BRect& rect, const BRect& updateRect,
float leftTopRadius,
float rightTopRadius,
float leftBottomRadius,
float rightBottomRadius,
const rgb_color& base,
bool popupIndicator, uint32 flags = 0) = 0;
virtual void DrawMenuFieldBackground(BView* view,
BRect& rect, const BRect& updateRect,
const rgb_color& base, uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawMenuBackground(BView* view,
BRect& rect, const BRect& updateRect,
const rgb_color& base, uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawMenuItemBackground(BView* view,
BRect& rect, const BRect& updateRect,
const rgb_color& base, uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawStatusBar(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base,
const rgb_color& barColor,
float progressPosition) = 0;
virtual void DrawCheckBox(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base,
uint32 flags = 0) = 0;
virtual void DrawRadioButton(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base,
uint32 flags = 0) = 0;
virtual void DrawScrollBarBackground(BView* view,
BRect& rect1, BRect& rect2,
const BRect& updateRect,
const rgb_color& base, uint32 flags,
orientation orientation) = 0;
virtual void DrawScrollBarBackground(BView* view,
BRect& rect, const BRect& updateRect,
const rgb_color& base, uint32 flags,
orientation orientation) = 0;
virtual void DrawScrollViewFrame(BView* view,
BRect& rect, const BRect& updateRect,
BRect verticalScrollBarFrame,
BRect horizontalScrollBarFrame,
const rgb_color& base,
border_style borderStyle,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawArrowShape(BView* view,
BRect& rect, const BRect& updateRect,
const rgb_color& base, uint32 direction,
uint32 flags = 0,
float tint = B_DARKEN_MAX_TINT) = 0;
virtual rgb_color SliderBarColor(const rgb_color& base) = 0;
virtual void DrawSliderBar(BView* view, BRect rect,
const BRect& updateRect,
const rgb_color& base,
rgb_color leftFillColor,
rgb_color rightFillColor,
float sliderScale, uint32 flags,
orientation orientation) = 0;
virtual void DrawSliderBar(BView* view, BRect rect,
const BRect& updateRect,
const rgb_color& base, rgb_color fillColor,
uint32 flags, orientation orientation) = 0;
virtual void DrawSliderThumb(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base, uint32 flags,
orientation orientation) = 0;
virtual void DrawSliderTriangle(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base, uint32 flags,
orientation orientation) = 0;
virtual void DrawSliderTriangle(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base,
const rgb_color& fill, uint32 flags,
orientation orientation) = 0;
virtual void DrawSliderHashMarks(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base, int32 count,
hash_mark_location location,
uint32 flags, orientation orientation) = 0;
virtual void DrawActiveTab(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base, uint32 flags = 0,
uint32 borders = B_ALL_BORDERS,
uint32 side = B_TOP_BORDER,
int32 index = 0, int32 selected = -1,
int32 first = 0, int32 last = 0) = 0;
virtual void DrawInactiveTab(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base, uint32 flags = 0,
uint32 borders = B_ALL_BORDERS,
uint32 side = B_TOP_BORDER,
int32 index = 0, int32 selected = -1,
int32 first = 0, int32 last = 0) = 0;
virtual void DrawSplitter(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base,
orientation orientation,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
// various borders
virtual void DrawBorder(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base,
border_style borderStyle, uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawRaisedBorder(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base, uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawGroupFrame(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base,
uint32 borders = B_ALL_BORDERS) = 0;
virtual void DrawTextControlBorder(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base, uint32 flags = 0,
uint32 borders = B_ALL_BORDERS) = 0;
// aligned labels
virtual void DrawLabel(BView* view, const char* label,
BRect rect, const BRect& updateRect,
const rgb_color& base, uint32 flags,
const rgb_color* textColor = NULL) = 0;
virtual void DrawLabel(BView* view, const char* label,
BRect rect, const BRect& updateRect,
const rgb_color& base, uint32 flags,
const BAlignment& alignment,
const rgb_color* textColor = NULL) = 0;
// TODO: Would be nice to have a (non-virtual) version of this method
// which takes an array of labels and locations. That would save some
// setup with the view graphics state.
virtual void DrawLabel(BView* view, const char* label,
const rgb_color& base, uint32 flags,
const BPoint& where,
const rgb_color* textColor = NULL) = 0;
void DrawLabel(BView* view, const char* label,
const BBitmap* icon, BRect rect,
const BRect& updateRect,
const rgb_color& base, uint32 flags,
const rgb_color* textColor = NULL);
virtual void DrawLabel(BView* view, const char* label,
const BBitmap* icon, BRect rect,
const BRect& updateRect,
const rgb_color& base, uint32 flags,
const BAlignment& alignment,
const rgb_color* textColor = NULL) = 0;
virtual void GetFrameInsets(frame_type frameType,
uint32 flags, float& _left, float& _top,
float& _right, float& _bottom) = 0;
virtual void GetBackgroundInsets(
background_type backgroundType,
uint32 flags, float& _left, float& _top,
float& _right, float& _bottom) = 0;
void GetInsets(frame_type frameType,
background_type backgroundType,
uint32 flags, float& _left, float& _top,
float& _right, float& _bottom);
virtual void DrawButtonWithPopUpBackground(BView* view,
BRect& rect, const BRect& updateRect,
const rgb_color& base,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS,
orientation orientation = B_HORIZONTAL) = 0;
virtual void DrawButtonWithPopUpBackground(BView* view,
BRect& rect, const BRect& updateRect,
float radius,
const rgb_color& base,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS,
orientation orientation = B_HORIZONTAL) = 0;
virtual void DrawButtonWithPopUpBackground(BView* view,
BRect& rect, const BRect& updateRect,
float leftTopRadius,
float rightTopRadius,
float leftBottomRadius,
float rightBottomRadius,
const rgb_color& base,
uint32 flags = 0,
uint32 borders = B_ALL_BORDERS,
orientation orientation = B_HORIZONTAL) = 0;
void SetBackgroundInfo(
const BMessage& backgroundInfo);
virtual void DrawTabFrame(BView* view, BRect& rect,
const BRect& updateRect,
const rgb_color& base, uint32 flags = 0,
uint32 borders = B_ALL_BORDERS,
border_style borderStyle = B_FANCY_BORDER,
uint32 side = B_TOP_BORDER) = 0;
virtual void DrawScrollBarButton(BView* view,
BRect rect, const BRect& updateRect,
const rgb_color& base, uint32 flags,
int32 direction, orientation orientation,
bool down = false) = 0;
virtual void DrawScrollBarThumb(BView* view,
BRect& rect, const BRect& updateRect,
const rgb_color& base, uint32 flags,
orientation orientation,
uint32 knobStyle = B_KNOB_NONE) = 0;
virtual void DrawScrollBarBorder(BView* view,
BRect rect, const BRect& updateRect,
const rgb_color& base, uint32 flags,
orientation orientation) = 0;
virtual float GetScrollBarWidth(
orientation orientation = B_VERTICAL);
private:
// FBC padding
virtual void _ReservedControlLook6();
virtual void _ReservedControlLook7();
virtual void _ReservedControlLook8();
virtual void _ReservedControlLook9();
virtual void _ReservedControlLook10();
protected:
int32 fCachedWorkspace;
BMessage fBackgroundInfo;
uint32 _reserved[20];
};
extern BControlLook* be_control_look;
extern "C" _EXPORT BControlLook *instantiate_control_look(image_id id);
} // namespace BPrivate
using BPrivate::BControlLook;
using BPrivate::be_control_look;
#endif // _CONTROL_LOOK_H
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