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pptviewer mods

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This commit is contained in:
Jonathan Corwin 2011-03-13 23:18:19 +00:00
parent 23b9884775
commit e8de37f7b3
4 changed files with 293 additions and 190 deletions
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2
openlp/plugins/presentations/lib/pptviewcontroller.py
View File

@ -140,8 +140,10 @@ class PptviewDocument(PresentationDocument):
PPTviewLib creates large BMP's, but we want small PNG's for consistency. PPTviewLib creates large BMP's, but we want small PNG's for consistency.
Convert them here. Convert them here.
""" """
log.debug(u'create_thumbnails')
if self.check_thumbnails(): if self.check_thumbnails():
return return
log.debug(u'create_thumbnails proceeding')
for idx in range(self.get_slide_count()): for idx in range(self.get_slide_count()):
path = u'%s\\slide%s.bmp' % (self.get_temp_folder(), path = u'%s\\slide%s.bmp' % (self.get_temp_folder(),
unicode(idx + 1)) unicode(idx + 1))

310
openlp/plugins/presentations/lib/pptviewlib/pptviewlib.cpp
View File

@ -48,10 +48,8 @@ BOOL debug = FALSE;
HINSTANCE hInstance = NULL; HINSTANCE hInstance = NULL;
BOOL APIENTRY DllMain( HMODULE hModule, BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call,
DWORD ul_reason_for_call, LPVOID lpReserved)
LPVOID lpReserved
)
{ {
hInstance = (HINSTANCE)hModule; hInstance = (HINSTANCE)hModule;
switch (ul_reason_for_call) switch (ul_reason_for_call)
@ -96,20 +94,14 @@ DllExport BOOL CheckInstalled()
// "<n>.bmp" will be appended to complete the path. E.g. "c:\temp\slide" would // "<n>.bmp" will be appended to complete the path. E.g. "c:\temp\slide" would
// create "c:\temp\slide1.bmp" slide2.bmp, slide3.bmp etc. // create "c:\temp\slide1.bmp" slide2.bmp, slide3.bmp etc.
// It will also create a *info.txt containing information about the ppt // It will also create a *info.txt containing information about the ppt
DllExport int OpenPPT(char *filename, HWND hParentWnd, RECT rect, char *previewpath) DllExport int OpenPPT(char *filename, HWND hParentWnd, RECT rect,
char *previewpath)
{ {
STARTUPINFO si;
PROCESS_INFORMATION pi;
char cmdline[MAX_PATH * 2];
int id; int id;
DEBUG("OpenPPT start: %s; %s\n", filename, previewpath); DEBUG("OpenPPT start: %s; %s\n", filename, previewpath);
DEBUG("OpenPPT start: %u; %i, %i, %i, %i\n", hParentWnd, rect.top, rect.left, rect.bottom, rect.right); DEBUG("OpenPPT start: %u; %i, %i, %i, %i\n", hParentWnd, rect.top,
if(GetPPTViewerPath(cmdline, sizeof(cmdline))==FALSE) rect.left, rect.bottom, rect.right);
{
DEBUG("OpenPPT: GetPPTViewerPath failed\n");
return -1;
}
id = -1; id = -1;
for(int i = 0; i < MAX_PPTOBJS; i++) for(int i = 0; i < MAX_PPTOBJS; i++)
{ {
@ -124,76 +116,13 @@ DllExport int OpenPPT(char *filename, HWND hParentWnd, RECT rect, char *previewp
DEBUG("OpenPPT: Too many PPTs\n"); DEBUG("OpenPPT: Too many PPTs\n");
return -1; return -1;
} }
memset(&pptviewobj[id], 0, sizeof(PPTVIEWOBJ)); BOOL gotinfo = InitPPTObject(id, filename, hParentWnd, rect, previewpath);
strcpy_s(pptviewobj[id].filename, MAX_PATH, filename); if(!StartPPTView(id))
strcpy_s(pptviewobj[id].previewpath, MAX_PATH, previewpath);
pptviewobj[id].state = PPT_CLOSED;
pptviewobj[id].slideCount = 0;
pptviewobj[id].currentSlide = 0;
pptviewobj[id].firstSlideSteps = 0;
pptviewobj[id].hParentWnd = hParentWnd;
pptviewobj[id].hWnd = NULL;
pptviewobj[id].hWnd2 = NULL;
if(hParentWnd!=NULL&&rect.top==0&&rect.bottom==0&&rect.left==0&&rect.right==0)
{ {
LPRECT wndrect = NULL;
GetWindowRect(hParentWnd, wndrect);
pptviewobj[id].rect.top = 0;
pptviewobj[id].rect.left = 0;
pptviewobj[id].rect.bottom = wndrect->bottom-wndrect->top;
pptviewobj[id].rect.right = wndrect->right-wndrect->left;
}
else
{
pptviewobj[id].rect.top = rect.top;
pptviewobj[id].rect.left = rect.left;
pptviewobj[id].rect.bottom = rect.bottom;
pptviewobj[id].rect.right = rect.right;
}
strcat_s(cmdline, MAX_PATH * 2, "/F /S \"");
strcat_s(cmdline, MAX_PATH * 2, filename);
strcat_s(cmdline, MAX_PATH * 2, "\"");
memset(&si, 0, sizeof(si));
memset(&pi, 0, sizeof(pi));
BOOL gotinfo = GetPPTInfo(id);
/*
* I'd really like to just hook on the new threadid. However this always gives
* error 87. Perhaps I'm hooking to soon? No idea... however can't wait
* since I need to ensure I pick up the WM_CREATE as this is the only
* time the window can be resized in such away the content scales correctly
*
* hook = SetWindowsHookEx(WH_CBT,CbtProc,hInstance,pi.dwThreadId);
*/
if(globalhook!=NULL)
UnhookWindowsHookEx(globalhook);
globalhook = SetWindowsHookEx(WH_CBT,CbtProc,hInstance,NULL);
if(globalhook==0)
{
DEBUG("OpenPPT: SetWindowsHookEx failed\n");
ClosePPT(id); ClosePPT(id);
return -1; return -1;
} }
pptviewobj[id].state = PPT_STARTED; if(!gotinfo)
Sleep(10);
if(!CreateProcess(NULL, cmdline, NULL, NULL, FALSE, 0, 0, NULL, &si, &pi))
{
DEBUG("OpenPPT: CreateProcess failed\n");
ClosePPT(id);
return -1;
}
pptviewobj[id].dwProcessId = pi.dwProcessId;
pptviewobj[id].dwThreadId = pi.dwThreadId;
pptviewobj[id].hThread = pi.hThread;
pptviewobj[id].hProcess = pi.hProcess;
while(pptviewobj[id].state==PPT_STARTED)
Sleep(10);
if(gotinfo)
{
DEBUG("OpenPPT: Info loaded, no refresh\n");
pptviewobj[id].state = PPT_LOADED;
Resume(id);
}
else
{ {
DEBUG("OpenPPT: Get info\n"); DEBUG("OpenPPT: Get info\n");
pptviewobj[id].steps = 0; pptviewobj[id].steps = 0;
@ -209,24 +138,126 @@ DllExport int OpenPPT(char *filename, HWND hParentWnd, RECT rect, char *previewp
} }
Sleep(10); Sleep(10);
} }
DEBUG("OpenPPT: Steps %d, first slide steps %d\n",pptviewobj[id].steps,pptviewobj[id].firstSlideSteps); DEBUG("OpenPPT: Steps %d, first slide steps %d\n",
pptviewobj[id].steps,pptviewobj[id].firstSlideSteps);
SavePPTInfo(id); SavePPTInfo(id);
if(pptviewobj[id].state==PPT_CLOSING||pptviewobj[id].slideCount<=0){ if(pptviewobj[id].state == PPT_CLOSING || pptviewobj[id].slideCount <= 0)
{
// We've gone off the end and pptview is closing. We'll need to start again
ClosePPT(id); ClosePPT(id);
id=-1; gotinfo = InitPPTObject(id, filename, hParentWnd, rect, previewpath);
if(gotinfo)
gotinfo = StartPPTView(id);
if(!gotinfo)
{
ClosePPT(id);
return -1;
}
} }
else else
RestartShow(id); RestartShow(id);
} }
if(id>=0) if(gotinfo)
{ {
DEBUG("OpenPPT: Info loaded, no refresh\n");
pptviewobj[id].state = PPT_LOADED;
Resume(id);
}
if(pptviewobj[id].mhook != NULL) if(pptviewobj[id].mhook != NULL)
UnhookWindowsHookEx(pptviewobj[id].mhook); UnhookWindowsHookEx(pptviewobj[id].mhook);
pptviewobj[id].mhook = NULL; pptviewobj[id].mhook = NULL;
}
DEBUG("OpenPPT: Exit: id=%i\n", id); DEBUG("OpenPPT: Exit: id=%i\n", id);
return id; return id;
} }
BOOL InitPPTObject(int id, char *filename, HWND hParentWnd,
RECT rect, char *previewpath)
{
DEBUG("InitPPTObject\n");
memset(&pptviewobj[id], 0, sizeof(PPTVIEWOBJ));
strcpy_s(pptviewobj[id].filename, MAX_PATH, filename);
strcpy_s(pptviewobj[id].previewpath, MAX_PATH, previewpath);
pptviewobj[id].state = PPT_CLOSED;
pptviewobj[id].slideCount = 0;
pptviewobj[id].currentSlide = 0;
pptviewobj[id].firstSlideSteps = 0;
pptviewobj[id].guess = 1;
for(int i = 0; i < MAX_SLIDES; i++)
pptviewobj[id].slideNo[i] = 0;
pptviewobj[id].hParentWnd = hParentWnd;
pptviewobj[id].hWnd = NULL;
pptviewobj[id].hWnd2 = NULL;
if(hParentWnd != NULL && rect.top == 0 && rect.bottom == 0
&& rect.left == 0 && rect.right == 0)
{
LPRECT wndrect = NULL;
GetWindowRect(hParentWnd, wndrect);
pptviewobj[id].rect.top = 0;
pptviewobj[id].rect.left = 0;
pptviewobj[id].rect.bottom = wndrect->bottom-wndrect->top;
pptviewobj[id].rect.right = wndrect->right-wndrect->left;
}
else
{
pptviewobj[id].rect.top = rect.top;
pptviewobj[id].rect.left = rect.left;
pptviewobj[id].rect.bottom = rect.bottom;
pptviewobj[id].rect.right = rect.right;
}
BOOL gotinfo = GetPPTInfo(id);
return gotinfo;
}
BOOL StartPPTView(int id)
{
/*
* I'd really like to just hook on the new threadid. However this always gives
* error 87. Perhaps I'm hooking to soon? No idea... however can't wait
* since I need to ensure I pick up the WM_CREATE as this is the only
* time the window can be resized in such away the content scales correctly
*
* hook = SetWindowsHookEx(WH_CBT,CbtProc,hInstance,pi.dwThreadId);
*/
DEBUG("StartPPTView\n");
STARTUPINFO si;
PROCESS_INFORMATION pi;
char cmdline[MAX_PATH * 2];
if(globalhook != NULL)
UnhookWindowsHookEx(globalhook);
globalhook = SetWindowsHookEx(WH_CBT, CbtProc, hInstance, NULL);
if(globalhook == 0)
{
DEBUG("OpenPPT: SetWindowsHookEx failed\n");
ClosePPT(id);
return FALSE;
}
if(GetPPTViewerPath(cmdline, sizeof(cmdline)) == FALSE)
{
DEBUG("OpenPPT: GetPPTViewerPath failed\n");
return FALSE;
}
pptviewobj[id].state = PPT_STARTED;
Sleep(10);
strcat_s(cmdline, MAX_PATH * 2, "/F /S \"");
strcat_s(cmdline, MAX_PATH * 2, pptviewobj[id].filename);
strcat_s(cmdline, MAX_PATH * 2, "\"");
memset(&si, 0, sizeof(si));
memset(&pi, 0, sizeof(pi));
if(!CreateProcess(NULL, cmdline, NULL, NULL, FALSE, 0, 0, NULL, &si, &pi))
{
DEBUG("OpenPPT: CreateProcess failed\n");
ClosePPT(id);
return FALSE;
}
pptviewobj[id].dwProcessId = pi.dwProcessId;
pptviewobj[id].dwThreadId = pi.dwThreadId;
pptviewobj[id].hThread = pi.hThread;
pptviewobj[id].hProcess = pi.hProcess;
while(pptviewobj[id].state == PPT_STARTED)
Sleep(10);
return TRUE;
}
// Load information about the ppt from an info.txt file. // Load information about the ppt from an info.txt file.
// Format: // Format:
// version // version
@ -271,7 +302,8 @@ BOOL GetPPTInfo(int id)
// check all the preview images still exist // check all the preview images still exist
for(int i = 1; i <= slidecount; i++) for(int i = 1; i <= slidecount; i++)
{ {
sprintf_s(info, MAX_PATH, "%s%i.bmp", pptviewobj[id].previewpath, i); sprintf_s(info, MAX_PATH, "%s%i.bmp",
pptviewobj[id].previewpath, i);
if(GetFileAttributes(info) == INVALID_FILE_ATTRIBUTES) if(GetFileAttributes(info) == INVALID_FILE_ATTRIBUTES)
return FALSE; return FALSE;
} }
@ -301,6 +333,10 @@ BOOL SavePPTInfo(int id)
DEBUG("SavePPTInfo: fopen of %s failed%i\n", info, err); DEBUG("SavePPTInfo: fopen of %s failed%i\n", info, err);
return FALSE; return FALSE;
} }
else
{
DEBUG("SavePPTInfo: fopen of %s succeeded\n", info);
}
fprintf(pFile, "1\n"); fprintf(pFile, "1\n");
fprintf(pFile, "%u\n", filestats.st_mtime); fprintf(pFile, "%u\n", filestats.st_mtime);
fprintf(pFile, "%u\n", filestats.st_size); fprintf(pFile, "%u\n", filestats.st_size);
@ -319,13 +355,26 @@ BOOL GetPPTViewerPath(char *pptviewerpath, int strsize)
LRESULT lresult; LRESULT lresult;
DEBUG("GetPPTViewerPath: start\n"); DEBUG("GetPPTViewerPath: start\n");
if(RegOpenKeyEx(HKEY_CLASSES_ROOT, "PowerPointViewer.Show.12\\shell\\Show\\command", 0, KEY_READ, &hkey)!=ERROR_SUCCESS) if(RegOpenKeyEx(HKEY_CLASSES_ROOT,
if(RegOpenKeyEx(HKEY_CLASSES_ROOT, "Applications\\PPTVIEW.EXE\\shell\\open\\command", 0, KEY_READ, &hkey)!=ERROR_SUCCESS) "PowerPointViewer.Show.12\\shell\\Show\\command",
if(RegOpenKeyEx(HKEY_CLASSES_ROOT, "Applications\\PPTVIEW.EXE\\shell\\Show\\command", 0, KEY_READ, &hkey)!=ERROR_SUCCESS) 0, KEY_READ, &hkey)!=ERROR_SUCCESS)
{
if(RegOpenKeyEx(HKEY_CLASSES_ROOT,
"Applications\\PPTVIEW.EXE\\shell\\open\\command",
0, KEY_READ, &hkey) != ERROR_SUCCESS)
{
if(RegOpenKeyEx(HKEY_CLASSES_ROOT,
"Applications\\PPTVIEW.EXE\\shell\\Show\\command",
0, KEY_READ, &hkey) != ERROR_SUCCESS)
{
return FALSE; return FALSE;
}
}
}
dwtype = REG_SZ; dwtype = REG_SZ;
dwsize = (DWORD)strsize; dwsize = (DWORD)strsize;
lresult = RegQueryValueEx(hkey, NULL, NULL, &dwtype, (LPBYTE)pptviewerpath, &dwsize ); lresult = RegQueryValueEx(hkey, NULL, NULL, &dwtype,
(LPBYTE)pptviewerpath, &dwsize);
RegCloseKey(hkey); RegCloseKey(hkey);
if(lresult != ERROR_SUCCESS) if(lresult != ERROR_SUCCESS)
return FALSE; return FALSE;
@ -367,7 +416,8 @@ DllExport void ClosePPT(int id)
DllExport void Resume(int id) DllExport void Resume(int id)
{ {
DEBUG("Resume: %d\n", id); DEBUG("Resume: %d\n", id);
MoveWindow(pptviewobj[id].hWnd, pptviewobj[id].rect.left, pptviewobj[id].rect.top, MoveWindow(pptviewobj[id].hWnd, pptviewobj[id].rect.left,
pptviewobj[id].rect.top,
pptviewobj[id].rect.right - pptviewobj[id].rect.left, pptviewobj[id].rect.right - pptviewobj[id].rect.left,
pptviewobj[id].rect.bottom - pptviewobj[id].rect.top, TRUE); pptviewobj[id].rect.bottom - pptviewobj[id].rect.top, TRUE);
Unblank(id); Unblank(id);
@ -407,13 +457,17 @@ DllExport void NextStep(int id)
DEBUG("NextStep:%d (%d)\n", id, pptviewobj[id].currentSlide); DEBUG("NextStep:%d (%d)\n", id, pptviewobj[id].currentSlide);
if(pptviewobj[id].currentSlide>pptviewobj[id].slideCount) if(pptviewobj[id].currentSlide>pptviewobj[id].slideCount)
return; return;
PostMessage(pptviewobj[id].hWnd2, WM_MOUSEWHEEL, MAKEWPARAM(0, -WHEEL_DELTA), 0); pptviewobj[id].guess = pptviewobj[id].currentSlide + 1;
PostMessage(pptviewobj[id].hWnd2, WM_MOUSEWHEEL,
MAKEWPARAM(0, -WHEEL_DELTA), 0);
} }
// Take a step backwards through the show // Take a step backwards through the show
DllExport void PrevStep(int id) DllExport void PrevStep(int id)
{ {
DEBUG("PrevStep:%d (%d)\n", id, pptviewobj[id].currentSlide); DEBUG("PrevStep:%d (%d)\n", id, pptviewobj[id].currentSlide);
if(pptviewobj[id].currentSlide > 1)
pptviewobj[id].guess = pptviewobj[id].currentSlide - 1;
PostMessage(pptviewobj[id].hWnd2, WM_MOUSEWHEEL, MAKEWPARAM(0, WHEEL_DELTA), 0); PostMessage(pptviewobj[id].hWnd2, WM_MOUSEWHEEL, MAKEWPARAM(0, WHEEL_DELTA), 0);
} }
@ -469,7 +523,9 @@ DllExport void GotoSlide(int id, int slideno)
// the slideshow has focus first // the slideshow has focus first
char ch[10]; char ch[10];
if(slideno<0) return; if(slideno < 0)
return;
pptviewobj[id].guess = slideno;
_itoa_s(slideno, ch, 10, 10); _itoa_s(slideno, ch, 10, 10);
HWND h1 = GetForegroundWindow(); HWND h1 = GetForegroundWindow();
HWND h2 = GetFocus(); HWND h2 = GetFocus();
@ -478,7 +534,8 @@ DllExport void GotoSlide(int id, int slideno)
Sleep(50); // slight pause, otherwise event triggering this call may grab focus back! Sleep(50); // slight pause, otherwise event triggering this call may grab focus back!
for(int i = 0; i < 10; i++) for(int i = 0; i < 10; i++)
{ {
if(ch[i]=='\0') break; if(ch[i] == '\0')
break;
keybd_event((BYTE)ch[i], 0, 0, 0); keybd_event((BYTE)ch[i], 0, 0, 0);
keybd_event((BYTE)ch[i], 0, KEYEVENTF_KEYUP, 0); keybd_event((BYTE)ch[i], 0, KEYEVENTF_KEYUP, 0);
} }
@ -569,8 +626,10 @@ LRESULT CALLBACK CbtProc(int nCode, WPARAM wParam, LPARAM lParam)
{ {
UnhookWindowsHookEx(globalhook); UnhookWindowsHookEx(globalhook);
globalhook = NULL; globalhook = NULL;
pptviewobj[id].hook = SetWindowsHookEx(WH_CALLWNDPROC,CwpProc,hInstance,pptviewobj[id].dwThreadId); pptviewobj[id].hook = SetWindowsHookEx(WH_CALLWNDPROC,
pptviewobj[id].mhook = SetWindowsHookEx(WH_GETMESSAGE,GetMsgProc,hInstance,pptviewobj[id].dwThreadId); CwpProc,hInstance, pptviewobj[id].dwThreadId);
pptviewobj[id].mhook = SetWindowsHookEx(WH_GETMESSAGE,
GetMsgProc, hInstance, pptviewobj[id].dwThreadId);
Sleep(10); Sleep(10);
pptviewobj[id].state = PPT_OPENED; pptviewobj[id].state = PPT_OPENED;
} }
@ -597,7 +656,8 @@ LRESULT CALLBACK GetMsgProc(int nCode, WPARAM wParam, LPARAM lParam)
break; break;
} }
} }
if(id>=0&&nCode==HC_ACTION&&wParam==PM_REMOVE&&pMSG->message==WM_MOUSEWHEEL) if(id >= 0 && nCode == HC_ACTION && wParam == PM_REMOVE
&& pMSG->message == WM_MOUSEWHEEL)
{ {
if(pptviewobj[id].state != PPT_LOADED) if(pptviewobj[id].state != PPT_LOADED)
{ {
@ -610,7 +670,8 @@ LRESULT CALLBACK GetMsgProc(int nCode, WPARAM wParam, LPARAM lParam)
} }
// This hook exists whilst the slideshow is running but only listens on the // This hook exists whilst the slideshow is running but only listens on the
// slideshows thread. It listens out for slide changes, message WM_USER+22. // slideshows thread. It listens out for slide changes, message WM_USER+22.
LRESULT CALLBACK CwpProc(int nCode, WPARAM wParam, LPARAM lParam){ LRESULT CALLBACK CwpProc(int nCode, WPARAM wParam, LPARAM lParam)
{
CWPSTRUCT *cwp; CWPSTRUCT *cwp;
cwp = (CWPSTRUCT *)lParam; cwp = (CWPSTRUCT *)lParam;
HHOOK hook = NULL; HHOOK hook = NULL;
@ -634,9 +695,11 @@ LRESULT CALLBACK CwpProc(int nCode, WPARAM wParam, LPARAM lParam){
if(pptviewobj[id].state != PPT_LOADED) if(pptviewobj[id].state != PPT_LOADED)
{ {
if((pptviewobj[id].currentSlide > 0) if((pptviewobj[id].currentSlide > 0)
&& (pptviewobj[id].previewpath!=NULL&&strlen(pptviewobj[id].previewpath)>0)) && (pptviewobj[id].previewpath != NULL
&& strlen(pptviewobj[id].previewpath) > 0))
{ {
sprintf_s(filename, MAX_PATH, "%s%i.bmp", pptviewobj[id].previewpath, pptviewobj[id].currentSlide); sprintf_s(filename, MAX_PATH, "%s%i.bmp", pptviewobj[id].previewpath,
pptviewobj[id].currentSlide);
CaptureAndSaveWindow(cwp->hwnd, filename); CaptureAndSaveWindow(cwp->hwnd, filename);
} }
} }
@ -650,21 +713,52 @@ LRESULT CALLBACK CwpProc(int nCode, WPARAM wParam, LPARAM lParam){
} }
else else
{ {
pptviewobj[id].currentSlide = cwp->wParam - 255;
if(pptviewobj[id].state != PPT_LOADED) if(pptviewobj[id].state != PPT_LOADED)
{ {
if(pptviewobj[id].currentSlide<pptviewobj[id].slideCount) if((pptviewobj[id].currentSlide == 0)
||(pptviewobj[id].slideNo[pptviewobj[id].currentSlide] != cwp->wParam))
{
if(pptviewobj[id].slideNo[1] == cwp->wParam)
{ {
pptviewobj[id].state = PPT_LOADED; pptviewobj[id].state = PPT_LOADED;
} }
} else
if(pptviewobj[id].currentSlide>pptviewobj[id].slideCount) {
pptviewobj[id].currentSlide++;
pptviewobj[id].slideCount = pptviewobj[id].currentSlide; pptviewobj[id].slideCount = pptviewobj[id].currentSlide;
pptviewobj[id].slideNo[pptviewobj[id].currentSlide] = cwp->wParam;
} }
} }
if((pptviewobj[id].state != PPT_CLOSED)&&(cwp->message==WM_CLOSE||cwp->message==WM_QUIT)) }
else
{
if(pptviewobj[id].guess > 0
&& pptviewobj[id].slideNo[pptviewobj[id].guess] == 0)
{
pptviewobj[id].currentSlide = 0;
}
for(int i = 1; i < pptviewobj[id].slideCount; i++)
{
if(pptviewobj[id].slideNo[i] == cwp->wParam)
{
pptviewobj[id].currentSlide = i;
break;
}
}
if(pptviewobj[id].currentSlide == 0)
{
pptviewobj[id].slideNo[pptviewobj[id].guess] = cwp->wParam;
pptviewobj[id].currentSlide = pptviewobj[id].guess;
}
}
}
}
if((pptviewobj[id].state != PPT_CLOSED)
&& (cwp->message == WM_CLOSE || cwp->message == WM_QUIT))
{
pptviewobj[id].state = PPT_CLOSING; pptviewobj[id].state = PPT_CLOSING;
} }
}
return CallNextHookEx(hook,nCode,wParam,lParam); return CallNextHookEx(hook,nCode,wParam,lParam);
} }
@ -722,7 +816,8 @@ VOID CaptureAndSaveWindow(HWND hWnd, CHAR* filename)
} }
DeleteObject(hBmp); DeleteObject(hBmp);
} }
HBITMAP CaptureWindow (HWND hWnd) { HBITMAP CaptureWindow(HWND hWnd)
{
HDC hDC; HDC hDC;
BOOL bOk = FALSE; BOOL bOk = FALSE;
HBITMAP hImage = NULL; HBITMAP hImage = NULL;
@ -730,7 +825,8 @@ HBITMAP CaptureWindow (HWND hWnd) {
hDC = GetDC(hWnd); hDC = GetDC(hWnd);
RECT rcClient; RECT rcClient;
GetClientRect(hWnd, &rcClient); GetClientRect(hWnd, &rcClient);
if ((hImage = CreateCompatibleBitmap (hDC, rcClient.right, rcClient.bottom)) != NULL) if((hImage = CreateCompatibleBitmap(hDC, rcClient.right, rcClient.bottom))
!= NULL)
{ {
HDC hMemDC; HDC hMemDC;
HBITMAP hDCBmp; HBITMAP hDCBmp;

BIN
openlp/plugins/presentations/lib/pptviewlib/pptviewlib.dll
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9
openlp/plugins/presentations/lib/pptviewlib/pptviewlib.h
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@ -27,11 +27,14 @@ VOID SaveBitmap (CHAR* filename, HBITMAP hBmp) ;
VOID CaptureAndSaveWindow(HWND hWnd, CHAR* filename); VOID CaptureAndSaveWindow(HWND hWnd, CHAR* filename);
BOOL GetPPTInfo(int id); BOOL GetPPTInfo(int id);
BOOL SavePPTInfo(int id); BOOL SavePPTInfo(int id);
BOOL InitPPTObject(int id, char *filename, HWND hParentWnd,
RECT rect, char *previewpath);
BOOL StartPPTView(int id);
void Unhook(int id); void Unhook(int id);
#define MAX_PPTOBJS 50 #define MAX_PPTOBJS 16
#define MAX_SLIDES 256
struct PPTVIEWOBJ struct PPTVIEWOBJ
{ {
@ -49,7 +52,9 @@ struct PPTVIEWOBJ
int currentSlide; int currentSlide;
int firstSlideSteps; int firstSlideSteps;
int steps; int steps;
int guess;
char filename[MAX_PATH]; char filename[MAX_PATH];
char previewpath[MAX_PATH]; char previewpath[MAX_PATH];
int slideNo[MAX_SLIDES];
PPTVIEWSTATE state; PPTVIEWSTATE state;
}; };