366 lines
10 KiB
C++
366 lines
10 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: autocapture.cpp
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// Purpose: Implement wxCtrlMaskOut class
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// Author: Utensil Candel (UtensilCandel@@gmail.com)
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "autocapture.h"
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include "wx/bitmap.h"
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#include "wx/filename.h"
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#include "wx/notebook.h"
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#include <ctime>
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#ifdef __WXMAC__
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#include <cstring>
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#endif
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// ----------------------------------------------------------------------------
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// AutoCaptureMechanism
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// ----------------------------------------------------------------------------
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AutoCaptureMechanism::AutoCaptureMechanism(wxNotebook *notebook,
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int flag, int margin)
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: m_notebook(notebook),
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m_flag(flag),
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m_margin(margin),
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m_grid(NULL)
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{
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}
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/* static */
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wxString AutoCaptureMechanism::default_dir = wxT("screenshots");
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/* static */
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wxString AutoCaptureMechanism::GetDefaultDirectoryAbsPath()
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{
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wxFileName output = wxFileName::DirName(GetDefaultDirectory());
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output.MakeAbsolute();
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return output.GetFullPath();
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}
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/* static */
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void AutoCaptureMechanism::Delay(int seconds)
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{
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// TODO: Switch this to use wxTimer.
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// Wait for 3 seconds
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clock_t start = clock();
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while ( clock() - start < (clock_t)CLOCKS_PER_SEC * seconds)
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wxYieldIfNeeded();
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}
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/* static */
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bool AutoCaptureMechanism::Capture(wxBitmap* bitmap, int x, int y,
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int width, int height, int delay)
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{
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// Somehow wxScreenDC.Blit() doesn't work under Mac for now. Here is a trick.
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#ifdef __WXMAC__
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// wxExecute(wxT("screencapture -x ") + tempfile, wxEXEC_SYNC);
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char captureCommand[80] =""; // a reasonable max size is 80
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sprintf(captureCommand, "sleep %d;%s", delay, "screencapture -x /tmp/wx_screen_capture.png");
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system(captureCommand);
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if(delay) Delay(delay);
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wxBitmap fullscreen;
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do
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{
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fullscreen = wxBitmap(wxT("/tmp/wx_screen_capture.png"), wxBITMAP_TYPE_PNG);
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}
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while(!fullscreen.IsOk());
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*bitmap = fullscreen.GetSubBitmap(wxRect(x, y, width, height));
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// to prevent loading the old screenshot next time
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system("rm /tmp/wx_screen_capture.png");
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return true;
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#else // Under other paltforms, take a real screenshot
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if(delay) Delay(delay);
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// Create a DC for the whole screen area
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wxScreenDC dcScreen;
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bitmap->Create(width, height);
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// Create a memory DC that will be used for actually taking the screenshot
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wxMemoryDC memDC;
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memDC.SelectObject((*bitmap));
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memDC.Clear();
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// Blit (in this case copy) the actual screen on the memory DC
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// and thus the Bitmap
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memDC.Blit( 0, // Copy to this X coordinate
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0, // Copy to this Y coordinate
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width, // Copy this width
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height, // Copy this height
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&dcScreen, // From where do we copy?
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x, // What's the X offset in the original DC?
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y // What's the Y offset in the original DC?
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);
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// Select the Bitmap out of the memory DC by selecting a new
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// uninitialized Bitmap
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memDC.SelectObject(wxNullBitmap);
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#endif // #ifdef __WXMAC__
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return true;
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}
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/* static */
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bool AutoCaptureMechanism::Capture(wxBitmap* bitmap, wxRect rect, int delay)
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{
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wxPoint origin = rect.GetPosition();
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return Capture(bitmap, origin.x, origin.y, rect.GetWidth(), rect.GetHeight(), delay);
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}
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/* static */
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void AutoCaptureMechanism::Save(wxBitmap* screenshot, const wxString& fileName)
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{
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// make sure default_dir exists
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if (!wxDirExists(default_dir))
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wxMkdir(default_dir);
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wxFileName fullFileName(default_dir, "appear-" + fileName +
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"-" + wxPlatformInfo::Get().GetPortIdShortName() + ".png");
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// do not overwrite already existing files with this name
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while (fullFileName.FileExists())
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fullFileName.SetName(fullFileName.GetName() + "_");
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// save the screenshot as a PNG
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screenshot->SaveFile(fullFileName.GetFullPath(), wxBITMAP_TYPE_PNG);
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}
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void AutoCaptureMechanism::CaptureAll()
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{
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// start from the first page
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m_notebook->SetSelection(0);
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wxYield();
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for (ControlList::iterator it = m_controlList.begin();
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it != m_controlList.end();
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++it)
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{
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Control &ctrl = *it;
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if (ctrl.flag == AJ_TurnPage) // Turn to next page
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{
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m_notebook->SetSelection(m_notebook->GetSelection() + 1);
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wxYield();
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continue;
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}
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// create the screenshot
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wxBitmap screenshot(1, 1);
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Capture(&screenshot, ctrl);
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if(ctrl.flag & AJ_Union)
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{
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// union screenshots until AJ_UnionEnd
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do
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{
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++it;
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it->name = ctrl.name; //preserving the name
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wxBitmap screenshot2(1, 1);
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Capture(&screenshot2, *it);
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wxBitmap combined(1, 1);
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Union(&screenshot, &screenshot2, &combined);
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screenshot = combined;
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}
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while(!(it->flag & AJ_UnionEnd));
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}
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// and save it
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Save(&screenshot, ctrl.name);
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}
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}
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bool AutoCaptureMechanism::Capture(wxBitmap* bitmap, Control& ctrl)
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{
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// no manual specification for the control name
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// or name adjustment is disabled globally
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if (ctrl.name == wxT("") || m_flag & AJ_DisableNameAdjust)
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{
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// Get its name from wxRTTI
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ctrl.name = ctrl.ctrl->GetClassInfo()->GetClassName();
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}
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int choice = wxNO;
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wxRect rect = GetRect(ctrl.ctrl, ctrl.flag);
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if (ctrl.flag & AJ_Dropdown && !(m_flag & AJ_DisableDropdown))
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{
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// for drop-down controls we need the help of the user
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wxString caption = _("Drop-down screenshot...");
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wxString msg =
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wxString::Format(_("Do you wish to capture the drop-down list of '%s' ?\n\n If YES, please drop down the list of '%s' in 5 seconds after closing this message box.\n If NO, the screenshot for this control won't contain its drop-down list."),
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ctrl.name, ctrl.name);
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choice = wxMessageBox(msg, caption, wxYES_NO, m_notebook);
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if (choice == wxYES)
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{
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//A little hint
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ctrl.ctrl->SetCursor(wxCursor(wxCURSOR_HAND));
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// Do some rect adjust so it can include the dropdown list
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// This adjust isn't pretty, but it works fine on all three paltforms.
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// Looking forward to a better solution
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int h = rect.GetHeight();
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rect.SetHeight(h * 4);
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}
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}
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// cut off "wx" and change the name into lowercase.
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// e.g. wxButton will have a name of "button" at the end
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ctrl.name.StartsWith(wxT("wx"), &(ctrl.name));
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ctrl.name.MakeLower();
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// take the screenshot
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Capture(bitmap, rect, (choice == wxYES)?5:0);
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if (choice == wxYES) ctrl.ctrl->SetCursor(wxNullCursor);
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if (ctrl.flag & AJ_RegionAdjust)
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PutBack(ctrl.ctrl);
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return true;
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}
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/* static */
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bool AutoCaptureMechanism::Union(wxBitmap* top, wxBitmap* bottom, wxBitmap* result)
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{
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int w1, w2, h1, h2, w, h;
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w1 = top->GetWidth();
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w2 = bottom->GetWidth();
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h1 = top->GetHeight();
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h2 = bottom->GetHeight();
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const int gap_between = 20;
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w = (w1 >= w2) ? w1 : w2;
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h = h1 + h2 + gap_between;
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result->Create(w, h);
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wxMemoryDC dstDC;
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dstDC.SelectObject((*result));
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dstDC.SetBrush(*wxWHITE_BRUSH);
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dstDC.Clear();
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dstDC.DrawBitmap((*top), 0, 0);
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dstDC.DrawBitmap((*bottom), 0, h1 + gap_between);
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dstDC.SelectObject(wxNullBitmap);
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return true;
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}
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wxRect AutoCaptureMechanism::GetRect(wxWindow* ctrl, int flag)
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{
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if( (!(m_flag & AJ_DisableRegionAdjust) && (flag & AJ_RegionAdjust))
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|| (m_flag & AJ_AlwaysRegionAdjust) )
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{
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wxWindow * parent = ctrl->GetParent();
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wxSizer * sizer = parent->GetSizer();
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//The assertion won't fail if controls are still managed by wxSizer, and it's unlikely to
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//change in the future.
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wxASSERT_MSG(sizer,
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"The GUI that AutoCaptureMechanism working with doesn't manage controls with wxSizer");
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sizer->Detach(ctrl);
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/*
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+---------+-----------+---------+
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| 0 | label | 1 |
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+---------+-----------+---------+
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| label | ctrl | label |
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+---------+-----------+---------+
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| 2 | label | 3 |
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+---------+-----------+---------+
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*/
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m_grid = new wxFlexGridSizer(3, 3, m_margin, m_margin);
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wxStaticText* l[4];
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for (int i = 0; i < 4; ++i)
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l[i] = new wxStaticText(parent, wxID_ANY, wxT(" "));
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m_grid->Add(l[0]);
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m_grid->Add(new wxStaticText(parent, wxID_ANY, wxT(" ")));
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m_grid->Add(l[1]);
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m_grid->Add(new wxStaticText(parent, wxID_ANY, wxT(" ")));
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m_grid->Add(ctrl, 1, wxEXPAND);
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m_grid->Add(new wxStaticText(parent, wxID_ANY, wxT(" ")));
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m_grid->Add(l[2]);
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m_grid->Add(new wxStaticText(parent, wxID_ANY, wxT(" ")));
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m_grid->Add(l[3]);
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sizer->Add(m_grid);
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parent->SetSizer(sizer);
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parent->Layout();
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parent->Refresh();
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wxYield();
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return wxRect(l[0]->GetScreenRect().GetBottomRight(),
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l[3]->GetScreenRect().GetTopLeft());
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}
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else
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{
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return ctrl->GetScreenRect().Inflate(m_margin);
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}
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}
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void AutoCaptureMechanism::PutBack(wxWindow * ctrl)
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{
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if(!m_grid) return;
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m_grid->Detach(ctrl);
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wxSizerItemList children = m_grid->GetChildren();
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for (wxSizerItemList::iterator it = children.begin(); it != children.end(); ++it)
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{
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wxSizerItem* item = *it;
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if (item->IsWindow()) delete (*it)->GetWindow();
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}
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wxSizer * sizer = ctrl->GetParent()->GetSizer();
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//The assertion won't fail if controls are still managed by wxSizer, and it's unlikely to
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//change in the future.
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wxASSERT_MSG(sizer,
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"The GUI that AutoCaptureMechanism working with doesn't manage controls with wxSizer");
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sizer->Detach(m_grid);
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delete m_grid;
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m_grid = NULL;
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sizer->Add(ctrl);
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}
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