Hyprland/src/render/decorations/DecorationPositioner.hpp

101 lines
No EOL
3.7 KiB
C++

#pragma once
#include <cstdint>
#include <memory>
#include <vector>
#include <unordered_map>
#include "../../helpers/Box.hpp"
class CWindow;
class IHyprWindowDecoration;
enum eDecorationPositioningPolicy
{
DECORATION_POSITION_ABSOLUTE = 0, /* Decoration wants absolute positioning */
DECORATION_POSITION_STICKY, /* Decoration is stuck to some edge of a window */
};
enum eDecorationEdges
{
DECORATION_EDGE_TOP = 1 << 0,
DECORATION_EDGE_BOTTOM = 1 << 1,
DECORATION_EDGE_LEFT = 1 << 2,
DECORATION_EDGE_RIGHT = 1 << 3
};
/*
Request the positioner to position a decoration
DECORATION_POSITION_ABSOLUTE:
- desiredExtents has to contain the extents. Edges has to have the edges used.
- reserved allowed
DECORATION_POSITION_STICKY:
- one edge allowed
- priority allowed
- desiredExtents contains the desired extents. Any other edge than the one selected is ignored.
- reserved is allowed
*/
struct SDecorationPositioningInfo {
eDecorationPositioningPolicy policy = DECORATION_POSITION_ABSOLUTE;
uint32_t edges = 0; // enum eDecorationEdges
uint32_t priority = 10; // priority, decos will be evaluated high -> low
SWindowDecorationExtents desiredExtents;
bool reserved = false; // if true, geometry will use reserved area
};
/*
A reply from the positioner. This may be sent multiple times, if anything changes.
DECORATION_POSITION_ABSOLUTE:
- assignedGeometry is empty
DECORATION_POSITION_STICKY:
- assignedGeometry is relative to the edge's center point
- ephemeral is sent
*/
struct SDecorationPositioningReply {
CBox assignedGeometry;
bool ephemeral = false; // if true, means it's a result of an animation and will change soon.
};
class CDecorationPositioner {
public:
CDecorationPositioner();
Vector2D getEdgeDefinedPoint(uint32_t edges, CWindow* pWindow);
// called on resize, or insert/removal of a new deco
void onWindowUpdate(CWindow* pWindow);
void uncacheDecoration(IHyprWindowDecoration* deco);
SWindowDecorationExtents getWindowDecorationReserved(CWindow* pWindow);
SWindowDecorationExtents getWindowDecorationExtents(CWindow* pWindow, bool inputOnly = false);
CBox getBoxWithIncludedDecos(CWindow* pWindow);
void repositionDeco(IHyprWindowDecoration* deco);
CBox getWindowDecorationBox(IHyprWindowDecoration* deco);
void forceRecalcFor(CWindow* pWindow);
private:
struct SWindowPositioningData {
CWindow* pWindow = nullptr;
IHyprWindowDecoration* pDecoration = nullptr;
SDecorationPositioningInfo positioningInfo;
SDecorationPositioningReply lastReply;
bool needsReposition = true;
};
struct SWindowData {
Vector2D lastWindowSize = {};
SWindowDecorationExtents reserved = {};
SWindowDecorationExtents extents = {};
bool needsRecalc = false;
};
std::unordered_map<CWindow*, SWindowData> m_mWindowDatas;
std::vector<std::unique_ptr<SWindowPositioningData>> m_vWindowPositioningDatas;
SWindowPositioningData* getDataFor(IHyprWindowDecoration* pDecoration, CWindow* pWindow);
void onWindowUnmap(CWindow* pWindow);
void onWindowMap(CWindow* pWindow);
void sanitizeDatas();
};
inline std::unique_ptr<CDecorationPositioner> g_pDecorationPositioner;