#include <canvas_navigation_manager.h>

Collaboration diagram for yaze::editor::CanvasNavigationManager:

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Public Member Functions
	CanvasNavigationManager ()=default

void	Initialize (const CanvasNavigationContext &context, const CanvasNavigationCallbacks &callbacks)
	Initialize with shared state and callbacks.

absl::Status	CheckForCurrentMap ()
	Detect which map the mouse is over, trigger lazy loading, draw the selection outline, and refresh textures if modified.

std::optional< int >	TrackMapAtCanvasPosition (ImVec2 scaled_position)

void	HandleMapInteraction ()
	Click selection (see IsMapSelectClick) and double-click to open properties. The paint-tool right-click sample itself happens in TilePaintingManager. Middle-drag only pans.

bool	SelectMapUnderCursor ()
	Make the map under the cursor the current map, ignoring the pin (the pin, if on, then holds this map). Large areas: any quadrant selects its parent area's properties. Returns false when no map is under it.

void	BeginCanvasViewport ()

void	EndCanvasViewport (bool canvas_item_hovered)

void	ZoomIn ()
	Increase canvas zoom by one step, keeping the view center fixed.

void	ZoomOut ()
	Decrease canvas zoom by one step, keeping the view center fixed.

void	ZoomToFit ()
	Scale so the whole current world fits the viewport.

void	ResetOverworldView ()
	Reset scroll to top-left and scale to 1.0.

void	CenterOverworldView ()
	Center the viewport on the current map.

void	CenterOnMap (int map_id)
	Center the viewport on `map_id` (same world grid).

void	CenterOnWorldTile (int world_x, int world_y)

bool	is_panning () const

void	SuspendHoverFollowUntilMouseMoves ()

void	ScrollBlocksetCanvasToCurrentTile ()
	Scroll the blockset (tile16 selector) to show the currently selected tile16.

void	UpdateBlocksetSelectorState ()
	Push current tile count and selection into the blockset widget.

void	QueueAdjacentMapsForPreload (int center_map)
	Queue the 4-connected neighbors of `center_map` for lazy build.

void	ProcessPreloadQueue ()
	Process one map from the preload queue (call once per frame).

Private Member Functions
std::optional< int >	MapUnderCursor () const

void	ZoomBySteps (int steps, ImVec2 anchor)

void	SetScaleAboutAnchor (float new_scale, ImVec2 anchor)

ImVec2	ClampScroll (ImVec2 scroll) const

ImVec2	ContentSize () const

Private Attributes
CanvasNavigationContext	ctx_

CanvasNavigationCallbacks	callbacks_

double	left_press_time_ = -1.0

std::optional< int >	left_press_map_

int	last_hovered_map_ = -1

float	hover_time_ = 0.0f

std::vector< int >	preload_queue_

ImVec2	viewport_min_ {0.0f, 0.0f}

ImVec2	viewport_size_ {0.0f, 0.0f}

ImVec2	last_scroll_ {0.0f, 0.0f}

bool	canvas_item_hovered_ = false

bool	canvas_window_hovered_ = false

bool	viewport_known_ = false

std::optional< ImVec2 >	hover_follow_suspended_at_

std::optional< ImVec2 >	pending_scroll_

std::optional< int >	pending_center_map_

StickyWheelPan	wheel_pan_

float	zoom_residual_ = 0.0f

float	zoom_idle_seconds_ = 0.0f

int	pan_button_ = -1

bool	pan_active_ = false

ImVec2	pan_anchor_mouse_ {0.0f, 0.0f}

ImVec2	pan_anchor_scroll_ {0.0f, 0.0f}

Static Private Attributes
static constexpr float	kHoverBuildDelay = 0.15f

static constexpr float	kPreloadStartDelay = 0.3f

Detailed Description

Definition at line 126 of file canvas_navigation_manager.h.

Constructor & Destructor Documentation

◆ CanvasNavigationManager()

yaze::editor::CanvasNavigationManager::CanvasNavigationManager ( )

default

Member Function Documentation

◆ Initialize()

void yaze::editor::CanvasNavigationManager::Initialize	(	const CanvasNavigationContext &	context,
		const CanvasNavigationCallbacks &	callbacks )

Initialize with shared state and callbacks.

Definition at line 90 of file canvas_navigation_manager.cc.

References callbacks_, and ctx_.

◆ CheckForCurrentMap()

absl::Status yaze::editor::CanvasNavigationManager::CheckForCurrentMap ( )

Detect which map the mouse is over, trigger lazy loading, draw the selection outline, and refresh textures if modified.

Definition at line 122 of file canvas_navigation_manager.cc.

◆ TrackMapAtCanvasPosition()

std::optional< int > yaze::editor::CanvasNavigationManager::TrackMapAtCanvasPosition ( ImVec2 scaled_position )

Definition at line 101 of file canvas_navigation_manager.cc.

References callbacks_, ctx_, yaze::editor::CanvasNavigationContext::current_map, yaze::editor::CanvasNavigationContext::current_map_lock, hover_follow_suspended_at_, and yaze::editor::CanvasNavigationContext::is_dragging_entity.

Referenced by CheckForCurrentMap().

◆ HandleMapInteraction()

void yaze::editor::CanvasNavigationManager::HandleMapInteraction ( )

Click selection (see IsMapSelectClick) and double-click to open properties. The paint-tool right-click sample itself happens in TilePaintingManager. Middle-drag only pans.

Definition at line 352 of file canvas_navigation_manager.cc.

References callbacks_, ctx_, yaze::editor::CanvasNavigationContext::current_map, yaze::editor::CanvasNavigationContext::current_map_lock, yaze::editor::CanvasNavigationContext::current_mode, yaze::editor::MapClickInput::entity_hovered, yaze::editor::CanvasNavigationCallbacks::is_entity_hovered, yaze::editor::IsMapSelectClick(), yaze::gui::Canvas::IsMouseHovering(), yaze::editor::MapClickInput::left_dragged, left_press_map_, yaze::editor::MapClickInput::left_press_owned, left_press_time_, yaze::editor::MapClickInput::left_released, MapUnderCursor(), yaze::editor::MapClickInput::mode, yaze::editor::MOUSE, yaze::editor::CanvasNavigationCallbacks::open_map_properties, yaze::editor::CanvasNavigationContext::ow_map_canvas, yaze::editor::MapClickInput::right_clicked, SelectMapUnderCursor(), and yaze::editor::MapClickInput::shift.

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◆ SelectMapUnderCursor()

bool yaze::editor::CanvasNavigationManager::SelectMapUnderCursor ( )

Make the map under the cursor the current map, ignoring the pin (the pin, if on, then holds this map). Large areas: any quadrant selects its parent area's properties. Returns false when no map is under it.

Definition at line 338 of file canvas_navigation_manager.cc.

References callbacks_, ctx_, yaze::editor::CanvasNavigationContext::current_map, MapUnderCursor(), and yaze::editor::CanvasNavigationContext::ow_map_canvas.

Referenced by HandleMapInteraction().

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◆ BeginCanvasViewport()

void yaze::editor::CanvasNavigationManager::BeginCanvasViewport ( )

Definition at line 490 of file canvas_navigation_manager.cc.

References callbacks_, canvas_item_hovered_, canvas_window_hovered_, ClampScroll(), yaze::editor::StickyWheelPan::Consume(), ContentSize(), ctx_, yaze::editor::CanvasNavigationContext::current_mode, yaze::gui::Canvas::global_scale(), yaze::editor::CanvasNavigationContext::is_dragging_entity, yaze::editor::CanvasNavigationCallbacks::is_entity_hovered, yaze::gui::IsMacPlatform(), yaze::editor::kOverworldPanSnapMapPx, yaze::editor::kOverworldWheelIdleResetSec, yaze::editor::kOverworldWheelPanPx, yaze::editor::kOverworldWheelZoomUnitsPerStep, last_scroll_, yaze::editor::MOUSE, yaze::editor::CanvasNavigationContext::ow_map_canvas, pan_active_, pan_anchor_mouse_, pan_anchor_scroll_, pan_button_, pending_scroll_, viewport_known_, viewport_min_, wheel_pan_, zoom_idle_seconds_, zoom_residual_, and ZoomBySteps().

◆ EndCanvasViewport()

void yaze::editor::CanvasNavigationManager::EndCanvasViewport ( bool canvas_item_hovered )

Definition at line 595 of file canvas_navigation_manager.cc.

References canvas_item_hovered_, canvas_window_hovered_, CenterOnMap(), last_scroll_, pending_center_map_, viewport_known_, viewport_min_, and viewport_size_.

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◆ ZoomIn()

void yaze::editor::CanvasNavigationManager::ZoomIn ( )

Increase canvas zoom by one step, keeping the view center fixed.

Definition at line 625 of file canvas_navigation_manager.cc.

References viewport_size_, and ZoomBySteps().

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◆ ZoomOut()

void yaze::editor::CanvasNavigationManager::ZoomOut ( )

Decrease canvas zoom by one step, keeping the view center fixed.

Definition at line 629 of file canvas_navigation_manager.cc.

References viewport_size_, and ZoomBySteps().

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◆ ZoomToFit()

void yaze::editor::CanvasNavigationManager::ZoomToFit ( )

Scale so the whole current world fits the viewport.

Definition at line 633 of file canvas_navigation_manager.cc.

References ctx_, yaze::editor::CanvasNavigationContext::current_world, yaze::zelda3::Overworld::is_lyra_preview(), yaze::editor::kOverworldMapSize, yaze::editor::kOverworldMaxZoom, yaze::editor::kOverworldMinZoom, yaze::editor::CanvasNavigationContext::overworld, yaze::editor::CanvasNavigationContext::ow_map_canvas, pending_scroll_, yaze::gui::Canvas::set_global_scale(), viewport_known_, and viewport_size_.

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◆ ResetOverworldView()

void yaze::editor::CanvasNavigationManager::ResetOverworldView ( )

Reset scroll to top-left and scale to 1.0.

Definition at line 650 of file canvas_navigation_manager.cc.

References ctx_, yaze::editor::CanvasNavigationContext::ow_map_canvas, pending_center_map_, pending_scroll_, and yaze::gui::Canvas::set_global_scale().

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◆ CenterOverworldView()

void yaze::editor::CanvasNavigationManager::CenterOverworldView ( )

Center the viewport on the current map.

Definition at line 658 of file canvas_navigation_manager.cc.

References CenterOnMap(), ctx_, and yaze::editor::CanvasNavigationContext::current_map.

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◆ CenterOnMap()

void yaze::editor::CanvasNavigationManager::CenterOnMap ( int map_id )

Center the viewport on map_id (same world grid).

Definition at line 664 of file canvas_navigation_manager.cc.

References ctx_, yaze::gui::Canvas::global_scale(), yaze::zelda3::Overworld::inspected_map_count(), yaze::zelda3::kNumOverworldMaps, yaze::editor::kOverworldMapSize, yaze::editor::CanvasNavigationContext::overworld, yaze::editor::CanvasNavigationContext::ow_map_canvas, pending_center_map_, pending_scroll_, viewport_known_, and viewport_size_.

Referenced by CenterOverworldView(), and EndCanvasViewport().

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◆ CenterOnWorldTile()

void yaze::editor::CanvasNavigationManager::CenterOnWorldTile	(	int	world_x,
		int	world_y )

Definition at line 690 of file canvas_navigation_manager.cc.

References ctx_, yaze::gui::Canvas::global_scale(), yaze::editor::CanvasNavigationContext::ow_map_canvas, pending_scroll_, viewport_known_, and viewport_size_.

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◆ is_panning()

bool yaze::editor::CanvasNavigationManager::is_panning ( ) const

inline

Definition at line 195 of file canvas_navigation_manager.h.

References pan_active_.

◆ SuspendHoverFollowUntilMouseMoves()

void yaze::editor::CanvasNavigationManager::SuspendHoverFollowUntilMouseMoves ( )

After keyboard map navigation: do not let the (unpinned) hover follow replace the keyboard choice until the mouse actually moves.

Definition at line 620 of file canvas_navigation_manager.cc.

References hover_follow_suspended_at_.

◆ ScrollBlocksetCanvasToCurrentTile()

void yaze::editor::CanvasNavigationManager::ScrollBlocksetCanvasToCurrentTile ( )

Scroll the blockset (tile16 selector) to show the currently selected tile16.

Definition at line 704 of file canvas_navigation_manager.cc.

References yaze::editor::CanvasNavigationContext::blockset_selector, ctx_, and yaze::editor::CanvasNavigationContext::current_tile16.

◆ UpdateBlocksetSelectorState()

void yaze::editor::CanvasNavigationManager::UpdateBlocksetSelectorState ( )

Push current tile count and selection into the blockset widget.

Definition at line 721 of file canvas_navigation_manager.cc.

References yaze::editor::CanvasNavigationContext::blockset_selector, ctx_, yaze::editor::CanvasNavigationContext::current_tile16, and yaze::zelda3::kNumTile16Individual.

◆ QueueAdjacentMapsForPreload()

void yaze::editor::CanvasNavigationManager::QueueAdjacentMapsForPreload ( int center_map )

Queue the 4-connected neighbors of center_map for lazy build.

Definition at line 734 of file canvas_navigation_manager.cc.

References ctx_, yaze::zelda3::Overworld::inspected_map_count(), yaze::zelda3::Overworld::is_lyra_preview(), yaze::zelda3::kSpecialWorldMapIdStart, yaze::editor::CanvasNavigationContext::overworld, yaze::zelda3::Overworld::overworld_map(), and preload_queue_.

Referenced by CheckForCurrentMap().

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◆ ProcessPreloadQueue()

void yaze::editor::CanvasNavigationManager::ProcessPreloadQueue ( )

Process one map from the preload queue (call once per frame).

Definition at line 779 of file canvas_navigation_manager.cc.

References ctx_, yaze::zelda3::Overworld::EnsureMapBuilt(), LOG_DEBUG, yaze::editor::CanvasNavigationContext::overworld, and preload_queue_.

Referenced by CheckForCurrentMap().

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◆ MapUnderCursor()

std::optional< int > yaze::editor::CanvasNavigationManager::MapUnderCursor ( ) const

private

Definition at line 328 of file canvas_navigation_manager.cc.

References ctx_, yaze::gui::Canvas::hover_mouse_pos(), yaze::editor::CanvasNavigationContext::hovered_map, and yaze::editor::CanvasNavigationContext::ow_map_canvas.

Referenced by HandleMapInteraction(), and SelectMapUnderCursor().

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◆ ZoomBySteps()

void yaze::editor::CanvasNavigationManager::ZoomBySteps	(	int	steps,
		ImVec2	anchor )

private

Definition at line 483 of file canvas_navigation_manager.cc.

References ctx_, yaze::gui::Canvas::global_scale(), yaze::editor::kOverworldZoomStep, yaze::editor::CanvasNavigationContext::ow_map_canvas, and SetScaleAboutAnchor().

Referenced by BeginCanvasViewport(), ZoomIn(), and ZoomOut().

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◆ SetScaleAboutAnchor()

void yaze::editor::CanvasNavigationManager::SetScaleAboutAnchor	(	float	new_scale,
		ImVec2	anchor )

private

Definition at line 470 of file canvas_navigation_manager.cc.

References ctx_, yaze::gui::Canvas::global_scale(), yaze::editor::kOverworldMaxZoom, yaze::editor::kOverworldMinZoom, last_scroll_, yaze::editor::CanvasNavigationContext::ow_map_canvas, pending_scroll_, yaze::editor::ScrollForZoomAtAnchor(), and yaze::gui::Canvas::set_global_scale().

Referenced by ZoomBySteps().

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◆ ClampScroll()

ImVec2 yaze::editor::CanvasNavigationManager::ClampScroll ( ImVec2 scroll ) const

private

Definition at line 461 of file canvas_navigation_manager.cc.

References ContentSize(), and viewport_size_.

Referenced by BeginCanvasViewport().

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◆ ContentSize()

ImVec2 yaze::editor::CanvasNavigationManager::ContentSize ( ) const

private

Definition at line 454 of file canvas_navigation_manager.cc.

References ctx_, yaze::gui::Canvas::global_scale(), yaze::editor::kOverworldMapSize, and yaze::editor::CanvasNavigationContext::ow_map_canvas.

Referenced by BeginCanvasViewport(), and ClampScroll().

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Member Data Documentation

◆ ctx_

CanvasNavigationContext yaze::editor::CanvasNavigationManager::ctx_

private

◆ callbacks_

CanvasNavigationCallbacks yaze::editor::CanvasNavigationManager::callbacks_

private

Definition at line 224 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport(), CheckForCurrentMap(), HandleMapInteraction(), Initialize(), SelectMapUnderCursor(), and TrackMapAtCanvasPosition().

◆ left_press_time_

double yaze::editor::CanvasNavigationManager::left_press_time_ = -1.0

private

Definition at line 231 of file canvas_navigation_manager.h.

Referenced by HandleMapInteraction().

◆ left_press_map_

std::optional<int> yaze::editor::CanvasNavigationManager::left_press_map_

private

Definition at line 232 of file canvas_navigation_manager.h.

Referenced by HandleMapInteraction().

◆ last_hovered_map_

int yaze::editor::CanvasNavigationManager::last_hovered_map_ = -1

private

Definition at line 235 of file canvas_navigation_manager.h.

Referenced by CheckForCurrentMap().

◆ hover_time_

float yaze::editor::CanvasNavigationManager::hover_time_ = 0.0f

private

Definition at line 236 of file canvas_navigation_manager.h.

Referenced by CheckForCurrentMap().

◆ kHoverBuildDelay

constexpr float yaze::editor::CanvasNavigationManager::kHoverBuildDelay = 0.15f

staticconstexprprivate

Definition at line 237 of file canvas_navigation_manager.h.

Referenced by CheckForCurrentMap().

◆ preload_queue_

std::vector<int> yaze::editor::CanvasNavigationManager::preload_queue_

private

Definition at line 240 of file canvas_navigation_manager.h.

Referenced by CheckForCurrentMap(), ProcessPreloadQueue(), and QueueAdjacentMapsForPreload().

◆ kPreloadStartDelay

constexpr float yaze::editor::CanvasNavigationManager::kPreloadStartDelay = 0.3f

staticconstexprprivate

Definition at line 241 of file canvas_navigation_manager.h.

Referenced by CheckForCurrentMap().

◆ viewport_min_

ImVec2 yaze::editor::CanvasNavigationManager::viewport_min_ {0.0f, 0.0f}

private

Definition at line 250 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport(), and EndCanvasViewport().

◆ viewport_size_

ImVec2 yaze::editor::CanvasNavigationManager::viewport_size_ {0.0f, 0.0f}

private

Definition at line 251 of file canvas_navigation_manager.h.

Referenced by CenterOnMap(), CenterOnWorldTile(), ClampScroll(), EndCanvasViewport(), ZoomIn(), ZoomOut(), and ZoomToFit().

◆ last_scroll_

ImVec2 yaze::editor::CanvasNavigationManager::last_scroll_ {0.0f, 0.0f}

private

Definition at line 252 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport(), EndCanvasViewport(), and SetScaleAboutAnchor().

◆ canvas_item_hovered_

bool yaze::editor::CanvasNavigationManager::canvas_item_hovered_ = false

private

Definition at line 253 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport(), and EndCanvasViewport().

◆ canvas_window_hovered_

bool yaze::editor::CanvasNavigationManager::canvas_window_hovered_ = false

private

Definition at line 254 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport(), and EndCanvasViewport().

◆ viewport_known_

bool yaze::editor::CanvasNavigationManager::viewport_known_ = false

private

Definition at line 255 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport(), CenterOnMap(), CenterOnWorldTile(), EndCanvasViewport(), and ZoomToFit().

◆ hover_follow_suspended_at_

std::optional<ImVec2> yaze::editor::CanvasNavigationManager::hover_follow_suspended_at_

private

Definition at line 257 of file canvas_navigation_manager.h.

Referenced by SuspendHoverFollowUntilMouseMoves(), and TrackMapAtCanvasPosition().

◆ pending_scroll_

std::optional<ImVec2> yaze::editor::CanvasNavigationManager::pending_scroll_

private

Definition at line 260 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport(), CenterOnMap(), CenterOnWorldTile(), ResetOverworldView(), SetScaleAboutAnchor(), and ZoomToFit().

◆ pending_center_map_

std::optional<int> yaze::editor::CanvasNavigationManager::pending_center_map_

private

Definition at line 261 of file canvas_navigation_manager.h.

Referenced by CenterOnMap(), EndCanvasViewport(), and ResetOverworldView().

◆ wheel_pan_

StickyWheelPan yaze::editor::CanvasNavigationManager::wheel_pan_

private

Definition at line 264 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport().

◆ zoom_residual_

float yaze::editor::CanvasNavigationManager::zoom_residual_ = 0.0f

private

Definition at line 265 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport().

◆ zoom_idle_seconds_

float yaze::editor::CanvasNavigationManager::zoom_idle_seconds_ = 0.0f

private

Definition at line 266 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport().

◆ pan_button_

int yaze::editor::CanvasNavigationManager::pan_button_ = -1

private

Definition at line 269 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport().

◆ pan_active_

bool yaze::editor::CanvasNavigationManager::pan_active_ = false

private

Definition at line 270 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport(), and is_panning().

◆ pan_anchor_mouse_

ImVec2 yaze::editor::CanvasNavigationManager::pan_anchor_mouse_ {0.0f, 0.0f}

private

Definition at line 271 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport().

◆ pan_anchor_scroll_

ImVec2 yaze::editor::CanvasNavigationManager::pan_anchor_scroll_ {0.0f, 0.0f}

private

Definition at line 272 of file canvas_navigation_manager.h.

Referenced by BeginCanvasViewport().

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

src/app/editor/overworld/canvas/canvas_navigation_manager.h
src/app/editor/overworld/canvas/canvas_navigation_manager.cc

	yaze 0.3.2 Link to the Past ROM Editor

Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CanvasNavigationManager()

Member Function Documentation

◆ Initialize()

◆ CheckForCurrentMap()

◆ TrackMapAtCanvasPosition()

◆ HandleMapInteraction()

◆ SelectMapUnderCursor()

◆ BeginCanvasViewport()

◆ EndCanvasViewport()

◆ ZoomIn()

◆ ZoomOut()

◆ ZoomToFit()

◆ ResetOverworldView()

◆ CenterOverworldView()

◆ CenterOnMap()

◆ CenterOnWorldTile()

◆ is_panning()

◆ SuspendHoverFollowUntilMouseMoves()

◆ ScrollBlocksetCanvasToCurrentTile()

◆ UpdateBlocksetSelectorState()

◆ QueueAdjacentMapsForPreload()

◆ ProcessPreloadQueue()

◆ MapUnderCursor()

◆ ZoomBySteps()

◆ SetScaleAboutAnchor()

◆ ClampScroll()

◆ ContentSize()

Member Data Documentation

◆ ctx_

◆ callbacks_

◆ left_press_time_

◆ left_press_map_

◆ last_hovered_map_

◆ hover_time_

◆ kHoverBuildDelay

◆ preload_queue_

◆ kPreloadStartDelay

◆ viewport_min_

◆ viewport_size_

◆ last_scroll_

◆ canvas_item_hovered_

◆ canvas_window_hovered_

◆ viewport_known_

◆ hover_follow_suspended_at_

◆ pending_scroll_

◆ pending_center_map_

◆ wheel_pan_

◆ zoom_residual_

◆ zoom_idle_seconds_

◆ pan_button_

◆ pan_active_

◆ pan_anchor_mouse_

◆ pan_anchor_scroll_