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thumbnailctrl.cpp
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/////////////////////////////////////////////////////////////////////////////
// Name: thumbnailctrl.cpp
// Purpose: Displays a scrolling window of thumbnails
// Author: Julian Smart
// Modified by: Anil Kumar
// Created: 03/08/04 17:22:46
// RCS-ID:
// Copyright: (c) Julian Smart
// Licence: wxWidgets Licence
/////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation "thumbnailctrl.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "thumbnailctrl.h"
#if wxCHECK_VERSION(2,5,5)
#define USE_BUFFERED_PAINT 1
#else
#define USE_BUFFERED_PAINT 0
#endif
#include "wx/settings.h"
#include "wx/arrimpl.cpp"
#include "wx/image.h"
#include "wx/filename.h"
#include "wx/dcbuffer.h"
#include <algorithm>
//#include "tick.xpm"
WX_DEFINE_OBJARRAY(wxThumbnailItemArray);
wxDEFINE_EVENT(wxEVT_COMMAND_THUMBNAIL_SELECTION_CHANGED, wxThumbnailEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_THUMBNAIL_ITEM_SELECTED, wxThumbnailEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_THUMBNAIL_ITEM_DESELECTED, wxThumbnailEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_THUMBNAIL_LEFT_CLICK, wxThumbnailEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_THUMBNAIL_RIGHT_CLICK, wxThumbnailEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_THUMBNAIL_VIEW_RIGHT_CLICK, wxThumbnailEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_THUMBNAIL_LEFT_DCLICK, wxThumbnailEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_THUMBNAIL_RETURN, wxThumbnailEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_THUMBNAIL_DRAG_START, wxThumbnailEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_THUMBNAIL_SORTED, wxThumbnailEvent);
IMPLEMENT_CLASS(wxThumbnailCtrl, wxScrolledWindow)
IMPLEMENT_CLASS(wxThumbnailItem, wxObject)
IMPLEMENT_CLASS(wxThumbnailEvent, wxNotifyEvent)
BEGIN_EVENT_TABLE(wxThumbnailCtrl, wxScrolledWindow)
EVT_PAINT(wxThumbnailCtrl::OnPaint)
EVT_ERASE_BACKGROUND(wxThumbnailCtrl::OnEraseBackground)
EVT_MOUSE_EVENTS(wxThumbnailCtrl::OnMouse)
EVT_MOTION(wxThumbnailCtrl::OnMouseMotion)
EVT_LEAVE_WINDOW(wxThumbnailCtrl::OnMouseLeave)
EVT_CHAR(wxThumbnailCtrl::OnChar)
EVT_SIZE(wxThumbnailCtrl::OnSize)
EVT_SET_FOCUS(wxThumbnailCtrl::OnSetFocus)
EVT_KILL_FOCUS(wxThumbnailCtrl::OnKillFocus)
EVT_MENU(wxID_SELECTALL, wxThumbnailCtrl::OnSelectAll)
EVT_UPDATE_UI(wxID_SELECTALL, wxThumbnailCtrl::OnUpdateSelectAll)
END_EVENT_TABLE()
wxThumbnailCtrl* wxThumbnailCtrl::sm_currentThumbnailCtrl = NULL;
/*!
* wxThumbnailCtrl
*/
wxThumbnailCtrl::wxThumbnailCtrl()
{
Init();
}
wxThumbnailCtrl::wxThumbnailCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style)
{
Init();
Create(parent, id, pos, size, style);
}
/// Creation
bool wxThumbnailCtrl::Create(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style)
{
if (!wxScrolledWindow::Create(parent, id, pos, size, style
#if wxCHECK_VERSION(2,5,1)
| wxFULL_REPAINT_ON_RESIZE
#endif
))
return false;
if (!GetFont().Ok())
{
SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
}
CalculateOverallThumbnailSize();
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
// m_tagBitmap = wxBitmap(tick_xpm);
#if wxCHECK_VERSION(2,5,1)
SetBackgroundStyle(wxBG_STYLE_CUSTOM);
#endif
// Tell the sizers to use the given or best size
// SetBestFittingSize(size);
SetInitialSize(size);
#if USE_BUFFERED_PAINT
// Create a buffer
RecreateBuffer(size);
#endif
return true;
}
/// Member initialisation
void wxThumbnailCtrl::Init()
{
m_thumbnailOverallSize = wxTHUMBNAIL_DEFAULT_OVERALL_SIZE;
m_thumbnailImageSize = wxTHUMBNAIL_DEFAULT_IMAGE_SIZE;
m_freezeCount = 0;
m_spacing = wxTHUMBNAIL_DEFAULT_SPACING;
m_thumbnailMargin = wxTHUMBNAIL_DEFAULT_MARGIN;
m_firstSelection = -1;
m_lastSelection = -1;
m_focussedThumbnailBackgroundColour = wxTHUMBNAIL_DEFAULT_FOCUSSED_BACKGROUND;
m_unfocussedThumbnailBackgroundColour = wxTHUMBNAIL_DEFAULT_UNFOCUSSED_BACKGROUND;
m_unselectedThumbnailBackgroundColour = wxTHUMBNAIL_DEFAULT_UNSELECTED_BACKGROUND;
m_typeColour = wxTHUMBNAIL_DEFAULT_TYPE_COLOUR;
m_tagColour = wxTHUMBNAIL_DEFAULT_TAG_COLOUR;
m_focusRectColour = wxTHUMBNAIL_DEFAULT_FOCUS_RECT_COLOUR;
m_focusItem = -1;
}
/// Call Freeze to prevent refresh
void wxThumbnailCtrl::Freeze()
{
m_freezeCount++;
}
/// Call Thaw to refresh
void wxThumbnailCtrl::Thaw()
{
m_freezeCount--;
if (m_freezeCount == 0)
{
SetupScrollbars();
Refresh();
}
}
/// Append a single item
int wxThumbnailCtrl::Append(wxThumbnailItem* item)
{
int sz = (int)GetCount();
m_items.Add(item);
m_firstSelection = -1;
m_lastSelection = -1;
m_focusItem = -1;
// item->Load(this, false);
if (m_freezeCount == 0)
{
SetupScrollbars();
Refresh();
}
return sz;
}
/// Insert a single item
int wxThumbnailCtrl::Insert(wxThumbnailItem* item, int pos)
{
m_items.Insert(item, pos);
m_firstSelection = -1;
m_lastSelection = -1;
m_focusItem = -1;
// Must now change selection indices because
// items above it have moved up
size_t i;
for (i = 0; i < m_selections.GetCount(); i++)
{
if (m_selections[i] >= pos)
m_selections[i] = m_selections[i] + 1;
}
// Ditto for tags
for (i = 0; i < m_tags.GetCount(); i++)
{
if (m_tags[i] >= pos)
m_tags[i] = m_tags[i] + 1;
}
item->Load(this, false);
if (m_freezeCount == 0)
{
SetupScrollbars();
Refresh();
}
return pos;
}
/// Clear all items
void wxThumbnailCtrl::Clear()
{
m_firstSelection = -1;
m_lastSelection = -1;
m_focusItem = -1;
m_items.Clear();
m_selections.Clear();
m_tags.Clear();
m_hoverItem = wxNOT_FOUND;
if (m_freezeCount == 0)
{
SetupScrollbars();
Refresh();
}
}
int wxThumbnailCtrl::Compare(wxThumbnailItem** item1, wxThumbnailItem** item2)
{
wxFAIL_MSG("Override wxThumbnailCtrl::Compare function and provide your implementaion.");
return 0;
}
/// Sorts items
void wxThumbnailCtrl::Sort()
{
// preserve and restore selections & tags
size_t i;
size_t len = m_items.GetCount();
for (i = 0; i < len; i++)
{
wxThumbnailItem& item = m_items[i];
int state = 0;
if (IsSelected(i))
state |= wxTHUMBNAIL_SELECTED;
if (IsTagged(i))
state |= wxTHUMBNAIL_TAGGED;
item.SetState(state);
}
m_selections.Clear();
m_tags.Clear();
m_firstSelection = -1;
m_lastSelection = -1;
m_focusItem = -1;
sm_currentThumbnailCtrl = this;
m_items.Sort([](wxThumbnailItem** item1, wxThumbnailItem** item2)
{
return sm_currentThumbnailCtrl->Compare(item1, item2);
});
sm_currentThumbnailCtrl = NULL;
wxThumbnailEvent cmdEvent(
wxEVT_COMMAND_THUMBNAIL_SORTED,
GetId());
cmdEvent.SetEventObject(this);
GetEventHandler()->ProcessEvent(cmdEvent);
Freeze();
for (i = 0; i < len; i++)
{
wxThumbnailItem& item = m_items[i];
if (item.GetState() & wxTHUMBNAIL_SELECTED)
Select(i);
if (item.GetState() & wxTHUMBNAIL_TAGGED)
Tag(i);
}
Thaw();
}
/// Delete this item
void wxThumbnailCtrl::Delete(int n)
{
if (m_firstSelection == n)
m_firstSelection = -1;
if (m_lastSelection == n)
m_lastSelection = -1;
if (m_focusItem == n)
m_focusItem = -1;
if (m_selections.Index(n) != wxNOT_FOUND)
{
m_selections.Remove(n);
wxThumbnailEvent event(wxEVT_COMMAND_THUMBNAIL_ITEM_DESELECTED, GetId());
event.SetEventObject(this);
event.SetIndex(n);
GetEventHandler()->ProcessEvent(event);
wxThumbnailEvent cmdEvent(wxEVT_COMMAND_THUMBNAIL_SELECTION_CHANGED, GetId());
cmdEvent.SetEventObject(this);
GetEventHandler()->ProcessEvent(cmdEvent);
}
if (m_tags.Index(n) != wxNOT_FOUND)
m_tags.Remove(n);
m_items.RemoveAt(n);
// Must now change selection indices because
// items have moved down
size_t i;
for (i = 0; i < m_selections.GetCount(); i++)
{
if (m_selections[i] > n)
m_selections[i] = m_selections[i] - 1;
}
if (m_freezeCount == 0)
{
SetupScrollbars();
Refresh();
}
}
/// Get the nth item
wxThumbnailItem* wxThumbnailCtrl::GetItem(int n)
{
wxASSERT(n < GetCount());
if (n < GetCount())
{
return &m_items[(size_t)n];
}
else
return NULL;
}
/// Get the overall rect of the given item
bool wxThumbnailCtrl::GetItemRect(int n, wxRect& rect, bool transform)
{
wxASSERT(n < GetCount());
if (n < GetCount())
{
int row, col;
if (!GetRowCol(n, GetClientSize(), row, col))
return false;
int x = col * (m_thumbnailOverallSize.x + m_spacing) + m_spacing;
int y = row * (m_thumbnailOverallSize.y + m_spacing) + m_spacing;
if (transform)
{
int startX, startY;
int xppu, yppu;
GetScrollPixelsPerUnit(&xppu, &yppu);
GetViewStart(&startX, &startY);
x = x - startX*xppu;
y = y - startY*yppu;
}
rect.x = x;
rect.y = y;
rect.width = m_thumbnailOverallSize.x;
rect.height = m_thumbnailOverallSize.y;
return true;
}
return false;
}
/// Get the image rect of the given item
bool wxThumbnailCtrl::GetItemRectImage(int n, wxRect& rect, bool transform)
{
wxASSERT(n < GetCount());
wxRect outerRect;
if (!GetItemRect(n, outerRect, transform))
return false;
rect.width = m_thumbnailImageSize.x;
rect.height = m_thumbnailImageSize.y;
rect.x = outerRect.x + (outerRect.width - rect.width) / 2;
rect.y = outerRect.y + (outerRect.height - rect.height) / 2;
if ((GetWindowStyle() & wxTH_EXTENSION_LABEL) == 0) rect.y -= m_thumbnailTextHeight / 2;
return true;
}
/// The size of the image part
void wxThumbnailCtrl::SetThumbnailImageSize(const wxSize& sz)
{
m_thumbnailImageSize = sz;
CalculateOverallThumbnailSize();
if (GetCount() > 0 && m_freezeCount == 0)
{
SetupScrollbars();
Refresh();
}
}
/// Calculate the outer thumbnail size based
/// on font used for text and inner size
void wxThumbnailCtrl::CalculateOverallThumbnailSize()
{
wxCoord w;
wxClientDC dc(this);
dc.SetFont(GetFont());
dc.GetTextExtent(wxT("X"), &w, &m_thumbnailTextHeight);
// From left to right: margin, image, margin
m_thumbnailOverallSize.x = m_thumbnailMargin * 2 + m_thumbnailImageSize.x;
// From top to bottom: margin, text + margin (if wxTH_EXTENSION_LABEL set), image, margin, text, margin
if (GetWindowStyle() & wxTH_EXTENSION_LABEL)
{
m_thumbnailOverallSize.y = m_thumbnailMargin * 4 + m_thumbnailTextHeight * 2 + m_thumbnailImageSize.y;
}
else
{
m_thumbnailOverallSize.y = m_thumbnailMargin * 3 + m_thumbnailTextHeight + m_thumbnailImageSize.y;
}
}
/// Return the row and column given the client
/// size and a left-to-right, top-to-bottom layout
/// assumption
bool wxThumbnailCtrl::GetRowCol(int item, const wxSize& clientSize, int& row, int& col)
{
wxASSERT(item < GetCount());
if (item >= GetCount())
return false;
// How many can we fit in a row?
int perRow = clientSize.x / (m_thumbnailOverallSize.x + m_spacing);
if (perRow < 1)
perRow = 1;
row = item / perRow;
col = item % perRow;
return true;
}
/// Select or deselect an item
void wxThumbnailCtrl::Select(int n, bool select)
{
wxASSERT(n < GetCount());
if (select)
{
if (m_selections.Index(n) == wxNOT_FOUND)
m_selections.Add(n);
}
else
{
if (m_selections.Index(n) != wxNOT_FOUND)
m_selections.Remove(n);
}
m_firstSelection = n;
m_lastSelection = n;
int oldFocusItem = m_focusItem;
m_focusItem = n;
if (m_freezeCount == 0)
{
wxRect rect;
GetItemRect(n, rect);
RefreshRect(rect);
if (oldFocusItem != -1 && oldFocusItem != n)
{
GetItemRect(oldFocusItem, rect);
RefreshRect(rect);
}
}
}
/// Select or deselect a range
void wxThumbnailCtrl::SelectRange(int from, int to, bool select)
{
int first = from;
int last = to;
if (first < last)
{
first = to;
last = from;
}
wxASSERT(first >= 0 && first < GetCount());
wxASSERT(last >= 0 && last < GetCount());
Freeze();
int i;
for (i = first; i < last; i++)
{
Select(i, select);
}
m_focusItem = to;
Thaw();
}
/// Select all
void wxThumbnailCtrl::SelectAll()
{
Freeze();
int i;
for (i = 0; i < GetCount(); i++)
{
Select(i, true);
}
if (GetCount() > 0)
{
m_focusItem = GetCount() - 1;
}
else
{
m_focusItem = -1;
}
Thaw();
}
/// Select none
void wxThumbnailCtrl::SelectNone()
{
Freeze();
int i;
for (i = 0; i < GetCount(); i++)
{
Select(i, false);
}
Thaw();
}
/// Get the index of the single selection, if not multi-select.
/// Returns -1 if there is no selection.
int wxThumbnailCtrl::GetSelection() const
{
if (m_selections.GetCount() > 0)
return m_selections[0u];
else
return -1;
}
/// Returns true if the item is selected
bool wxThumbnailCtrl::IsSelected(int n) const
{
return (m_selections.Index(n) != wxNOT_FOUND);
}
/// Clears all selections
void wxThumbnailCtrl::ClearSelections()
{
int count = GetCount();
m_selections.Clear();
m_firstSelection = -1;
m_lastSelection = -1;
m_focusItem = -1;
if (count > 0 && m_freezeCount == 0)
{
Refresh();
}
}
/// Set the focus item
void wxThumbnailCtrl::SetFocusItem(int item)
{
wxASSERT(item < GetCount());
if (item < GetCount())
{
int oldFocusItem = m_focusItem;
m_focusItem = item;
if (m_freezeCount == 0)
{
wxRect rect;
if (oldFocusItem != -1)
{
GetItemRect(oldFocusItem, rect);
RefreshRect(rect);
}
if (m_focusItem != -1)
{
GetItemRect(m_focusItem, rect);
RefreshRect(rect);
}
}
}
}
/// Tag or untag an item
void wxThumbnailCtrl::Tag(int n, bool tag)
{
wxASSERT(n < GetCount());
if (tag)
{
if (m_tags.Index(n) == wxNOT_FOUND)
m_tags.Add(n);
}
else
{
if (m_tags.Index(n) != wxNOT_FOUND)
m_tags.Remove(n);
}
if (m_freezeCount == 0)
{
wxRect rect;
GetItemRect(n, rect);
RefreshRect(rect);
}
}
/// Returns true if the item is tagged
bool wxThumbnailCtrl::IsTagged(int n) const
{
return (m_tags.Index(n) != wxNOT_FOUND);
}
/// Clears all tags
void wxThumbnailCtrl::ClearTags()
{
int count = GetCount();
m_tags.Clear();
if (count > 0 && m_freezeCount == 0)
{
Refresh();
}
}
/// Painting
void wxThumbnailCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
{
// Set this to 0 to compare it with the
// unbuffered implementation
#if USE_BUFFERED_PAINT
wxBufferedPaintDC dc(this, m_bufferBitmap);
#else
wxPaintDC dc(this);
#endif
PrepareDC(dc);
if (m_freezeCount > 0)
return;
// Paint the background
PaintBackground(dc);
if (GetCount() == 0)
return;
wxRegion dirtyRegion = GetUpdateRegion();
bool isFocussed = (FindFocus() == this);
int i;
int count = GetCount();
int style = 0;
wxRect rect, untransformedRect, imageRect, untransformedImageRect;
for (i = 0; i < count; i++)
{
GetItemRect(i, rect);
wxRegionContain c = dirtyRegion.Contains(rect);
if (c != wxOutRegion)
{
GetItemRectImage(i, imageRect);
style = 0;
if (i == GetMouseHoverItem())
style |= wxTHUMBNAIL_IS_HOVER;
if (IsSelected(i))
style |= wxTHUMBNAIL_SELECTED;
if (IsTagged(i))
style |= wxTHUMBNAIL_TAGGED;
if (isFocussed)
style |= wxTHUMBNAIL_FOCUSSED;
if (isFocussed && i == m_focusItem)
style |= wxTHUMBNAIL_IS_FOCUS;
GetItemRect(i, untransformedRect, false);
GetItemRectImage(i, untransformedImageRect, false);
DrawItemBackground(i, dc, untransformedRect, untransformedImageRect, style);
DrawItem(i, dc, untransformedRect, style);
}
}
}
// Empty implementation, to prevent flicker
void wxThumbnailCtrl::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
{
}
void wxThumbnailCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
{
if (GetCount() > 0)
Refresh();
}
void wxThumbnailCtrl::OnKillFocus(wxFocusEvent& WXUNUSED(event))
{
if (GetCount() > 0)
Refresh();
}
/// Mouse-event
void wxThumbnailCtrl::OnMouse(wxMouseEvent& event)
{
if (event.GetEventType() == wxEVT_MOUSEWHEEL)
{
// let the base handle mouse wheel events.
event.Skip();
return;
}
if (event.LeftDown())
{
OnLeftClickDown(event);
}
else if (event.LeftUp())
{
OnLeftClickUp(event);
}
else if (event.LeftDClick())
{
OnLeftDClick(event);
}
else if (event.RightDown())
{
OnRightClickDown(event);
}
else if (event.RightUp())
{
OnRightClickUp(event);
}
else if (event.Dragging() && event.LeftIsDown() && GetSelections().Count())
{
wxThumbnailEvent cmdEvent(
wxEVT_COMMAND_THUMBNAIL_DRAG_START,
GetId());
if (wxDefaultPosition == m_dragStartPosition)
m_dragStartPosition = event.GetPosition();
if ((GetWindowStyle() & wxTH_MULTIPLE_SELECT) != 0)
cmdEvent.SetItemsIndex(GetSelections());
else
cmdEvent.SetIndex(GetSelection());
cmdEvent.SetPosition(m_dragStartPosition);
cmdEvent.SetEventObject(this);
GetEventHandler()->ProcessEvent(cmdEvent);
}
else
{
m_dragStartPosition = wxDefaultPosition;
}
event.Skip();
}
/// Left-click-down
void wxThumbnailCtrl::OnLeftClickDown(wxMouseEvent& event)
{
SetFocus();
int n;
if (HitTest(event.GetPosition(), n))
{
int flags = 0;
if (event.ControlDown())
flags |= wxTHUMBNAIL_CTRL_DOWN;
if (event.ShiftDown())
flags |= wxTHUMBNAIL_SHIFT_DOWN;
if (event.AltDown())
flags |= wxTHUMBNAIL_ALT_DOWN;
EnsureVisible(n);
bool change = false;
if (((GetWindowStyle() & wxTH_MULTIPLE_SELECT) != 0))
change = !IsSelected(n) || (flags != 0);
else
change = !IsSelected(n);
if (change)
DoSelection(n, flags);
wxThumbnailEvent cmdEvent(
wxEVT_COMMAND_THUMBNAIL_LEFT_CLICK,
GetId());
cmdEvent.SetEventObject(this);
cmdEvent.SetIndex(n);
cmdEvent.SetFlags(flags);
GetEventHandler()->ProcessEvent(cmdEvent);
}
}
/// Left-click-up
void wxThumbnailCtrl::OnLeftClickUp(wxMouseEvent& event)
{
SetFocus();
int n;
if (HitTest(event.GetPosition(), n))
{
int flags = 0;
if (event.ControlDown())
flags |= wxTHUMBNAIL_CTRL_DOWN;
if (event.ShiftDown())
flags |= wxTHUMBNAIL_SHIFT_DOWN;
if (event.AltDown())
flags |= wxTHUMBNAIL_ALT_DOWN;
EnsureVisible(n);
if ((GetWindowStyle() & wxTH_MULTIPLE_SELECT) != 0)
{
if ((GetSelections().Count() > 1) && IsSelected(n) && flags == 0)
DoSelection(n, flags);
}
}
}
/// Right-click-down
void wxThumbnailCtrl::OnRightClickDown(wxMouseEvent& event)
{
SetFocus();
int n;
if (HitTest(event.GetPosition(), n))
{
int flags = 0;
if (event.ControlDown())
flags |= wxTHUMBNAIL_CTRL_DOWN;
if (event.ShiftDown())
flags |= wxTHUMBNAIL_SHIFT_DOWN;
if (event.AltDown())
flags |= wxTHUMBNAIL_ALT_DOWN;
if (m_focusItem != n)
SetFocusItem(n);
const wxArrayInt& selections = GetSelections();
if (std::find(selections.begin(), selections.end(), n) == selections.end())
{
SelectNone();
Select(n);
wxThumbnailEvent cmdEvent(
wxEVT_COMMAND_THUMBNAIL_ITEM_SELECTED,
GetId());
cmdEvent.SetEventObject(this);
cmdEvent.SetIndex(n);
cmdEvent.SetFlags(flags);
GetEventHandler()->ProcessEvent(cmdEvent);
wxThumbnailEvent event(wxEVT_COMMAND_THUMBNAIL_SELECTION_CHANGED, GetId());
event.SetEventObject(this);
GetEventHandler()->ProcessEvent(event);
}
}
event.Skip();
}
/// Right-click-up
void wxThumbnailCtrl::OnRightClickUp(wxMouseEvent& event)
{
SetFocus();
int flags = 0;
if (event.ControlDown())
flags |= wxTHUMBNAIL_CTRL_DOWN;
if (event.ShiftDown())
flags |= wxTHUMBNAIL_SHIFT_DOWN;
if (event.AltDown())
flags |= wxTHUMBNAIL_ALT_DOWN;
int n;
if (HitTest(event.GetPosition(), n))
{
if (m_focusItem != n)
SetFocusItem(n);
const wxArrayInt& selections = GetSelections();
if (std::find(selections.begin(), selections.end(), n) != selections.end())
{
wxThumbnailEvent cmdEvent(
wxEVT_COMMAND_THUMBNAIL_RIGHT_CLICK,
GetId());
cmdEvent.SetEventObject(this);
cmdEvent.SetIndex(n);
cmdEvent.SetFlags(flags);
cmdEvent.SetPosition(event.GetPosition());
GetEventHandler()->ProcessEvent(cmdEvent);
}
}
else
{
wxThumbnailEvent cmdEvent(
wxEVT_COMMAND_THUMBNAIL_VIEW_RIGHT_CLICK,
GetId());
cmdEvent.SetEventObject(this);
cmdEvent.SetFlags(flags);
cmdEvent.SetPosition(event.GetPosition());
GetEventHandler()->ProcessEvent(cmdEvent);
}
}
/// Left-double-click
void wxThumbnailCtrl::OnLeftDClick(wxMouseEvent& event)
{
int n;
if (HitTest(event.GetPosition(), n))
{
int flags = 0;
if (event.ControlDown())
flags |= wxTHUMBNAIL_CTRL_DOWN;
if (event.ShiftDown())
flags |= wxTHUMBNAIL_SHIFT_DOWN;
if (event.AltDown())
flags |= wxTHUMBNAIL_ALT_DOWN;
wxThumbnailEvent cmdEvent(
wxEVT_COMMAND_THUMBNAIL_LEFT_DCLICK,
GetId());
cmdEvent.SetEventObject(this);
cmdEvent.SetIndex(n);
cmdEvent.SetFlags(flags);
GetEventHandler()->ProcessEvent(cmdEvent);
}
}
/// Mouse motion
void wxThumbnailCtrl::OnMouseMotion(wxMouseEvent& event)
{
wxRect rect;
int n;
if (HitTest(event.GetPosition(), n))
{
if (m_hoverItem != n)
ShowMouseHoverBackground(n);
ShowTooltip(n);
}
else
{
if(wxNOT_FOUND != m_hoverItem)
HideMouseHoverBackground();
UnsetToolTip();
}
event.Skip();
}
/// Mouse leave
void wxThumbnailCtrl::OnMouseLeave(wxMouseEvent& event)
{
if (wxNOT_FOUND != m_hoverItem)
HideMouseHoverBackground();
event.Skip();
}
/// Key press
void wxThumbnailCtrl::OnChar(wxKeyEvent& event)
{
int flags = 0;
if (event.ControlDown())
flags |= wxTHUMBNAIL_CTRL_DOWN;
if (event.ShiftDown())
flags |= wxTHUMBNAIL_SHIFT_DOWN;
if (event.AltDown())
flags |= wxTHUMBNAIL_ALT_DOWN;
if (event.GetKeyCode() == WXK_LEFT ||
event.GetKeyCode() == WXK_RIGHT ||
event.GetKeyCode() == WXK_UP ||
event.GetKeyCode() == WXK_DOWN ||
event.GetKeyCode() == WXK_HOME ||