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|
////////////////////////////////////////////////////////////////////////////////
// Gadu-Gadu Plugin for Miranda IM
//
// Copyright (c) 2003-2009 Adam Strzelecki <ono+miranda@java.pl>
// Copyright (c) 2009-2012 Bartosz Białek
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
////////////////////////////////////////////////////////////////////////////////
#include "gg.h"
#include <io.h>
#define WM_ADDIMAGE WM_USER + 1
#define WM_SENDIMG WM_USER + 2
#define WM_CHOOSEIMG WM_USER + 3
#define TIMERID_FLASHWND WM_USER + 4
////////////////////////////////////////////////////////////////////////////
// Image Window : Data
// tablica zawiera uin kolesia i uchwyt do okna, okno zawiera GGIMAGEDLGDATA
// ktore przechowuje handle kontaktu, i wskaznik na pierwszy obrazek
// obrazki sa poukladane jako lista jednokierunkowa.
// przy tworzeniu okna podaje sie handle do kontaktu
// dodajac obrazek tworzy sie element listy i wysyla do okna
// wyswietlajac obrazek idzie po liscie jednokierunkowej
typedef struct _GGIMAGEENTRY
{
HBITMAP hBitmap;
wchar_t *lpszFileName;
char *lpData;
unsigned long nSize;
struct _GGIMAGEENTRY *lpNext;
uint32_t crc32;
} GGIMAGEENTRY;
struct GGIMAGEDLGDATA
{
MCONTACT hContact;
HANDLE hEvent;
HWND hWnd;
uin_t uin;
int nImg, nImgTotal;
GGIMAGEENTRY *lpImages;
SIZE minSize;
BOOL bReceiving;
GaduProto *gg;
};
// Prototypes
int gg_img_remove(GGIMAGEDLGDATA *dat);
////////////////////////////////////////////////////////////////////////////
// Image Module : Adding item to contact menu, creating sync objects
//
int GaduProto::img_init()
{
// Send image contact menu item
CMenuItem mi(&g_plugin);
SET_UID(mi, 0xab238938, 0xed85, 0x4cfe, 0x93, 0xb5, 0xb8, 0x83, 0xf4, 0x32, 0xa0, 0xec);
mi.position = -2000010000;
mi.hIcolibItem = iconList[11].hIcolib;
mi.name.a = LPGEN("&Image");
mi.pszService = GGS_SENDIMAGE;
hImageMenuItem = Menu_AddContactMenuItem(&mi, m_szModuleName);
// Receive image
CreateProtoService(GGS_RECVIMAGE, &GaduProto::img_recvimage);
return FALSE;
}
////////////////////////////////////////////////////////////////////////////
// Image Module : closing dialogs, sync objects
//
int GaduProto::img_shutdown()
{
list_t l;
#ifdef DEBUGMODE
debugLogA("img_shutdown(): Closing all dialogs...");
#endif
// Rather destroy window instead of just removing structures
for (l = imagedlgs; l;)
{
GGIMAGEDLGDATA *dat = (GGIMAGEDLGDATA *)l->data;
l = l->next;
if (dat && dat->hWnd)
{
if (IsWindow(dat->hWnd))
{
// Post message async, since it maybe be different thread
if (!PostMessage(dat->hWnd, WM_CLOSE, 0, 0))
debugLogA("img_shutdown(): Image dlg %x cannot be released !!", dat->hWnd);
}
else
debugLogA("img_shutdown(): Image dlg %x not exists, but structure does !!", dat->hWnd);
}
}
return FALSE;
}
////////////////////////////////////////////////////////////////////////////
// Image Module : destroying list
//
int GaduProto::img_destroy()
{
// Release all dialogs
while (imagedlgs && gg_img_remove((GGIMAGEDLGDATA *)imagedlgs->data));
// Destroy list
list_destroy(imagedlgs, 1);
Menu_RemoveItem(hImageMenuItem);
return FALSE;
}
////////////////////////////////////////////////////////////////////////////
// Image Window : Frees image entry structure
//
static int gg_img_releasepicture(void *img)
{
if (!img)
return FALSE;
free(((GGIMAGEENTRY *)img)->lpszFileName);
if (((GGIMAGEENTRY *)img)->hBitmap)
DeleteObject(((GGIMAGEENTRY *)img)->hBitmap);
free(((GGIMAGEENTRY *)img)->lpData);
free(img);
return TRUE;
}
////////////////////////////////////////////////////////////////////////////
// Painting image
//
int gg_img_paint(HWND hwnd, GGIMAGEENTRY *dat)
{
PAINTSTRUCT paintStruct;
HDC hdc = BeginPaint(hwnd, &paintStruct);
RECT rc;
GetWindowRect(GetDlgItem(hwnd, IDC_IMG_IMAGE), &rc);
ScreenToClient(hwnd, (POINT *)&rc.left);
ScreenToClient(hwnd, (POINT *)&rc.right);
FillRect(hdc, &rc, (HBRUSH)GetSysColorBrush(COLOR_WINDOW));
if (dat->hBitmap)
{
BITMAP bmp;
GetObject(dat->hBitmap, sizeof(bmp), &bmp);
int nWidth = bmp.bmWidth;
int nHeight = bmp.bmHeight;
HDC hdcBmp = CreateCompatibleDC(hdc);
SelectObject(hdcBmp, dat->hBitmap);
if (hdcBmp)
{
SetStretchBltMode(hdc, HALFTONE);
// Draw bitmap
if (nWidth > (rc.right - rc.left) || nHeight > (rc.bottom - rc.top))
{
if ((double)nWidth / (double)nHeight > (double)(rc.right - rc.left) / (double)(rc.bottom - rc.top))
{
StretchBlt(hdc,
rc.left,
((rc.top + rc.bottom) - (rc.right - rc.left) * nHeight / nWidth) / 2,
(rc.right - rc.left),
(rc.right - rc.left) * nHeight / nWidth,
hdcBmp, 0, 0, nWidth, nHeight, SRCCOPY);
}
else
{
StretchBlt(hdc,
((rc.left + rc.right) - (rc.bottom - rc.top) * nWidth / nHeight) / 2,
rc.top,
(rc.bottom - rc.top) * nWidth / nHeight,
(rc.bottom - rc.top),
hdcBmp, 0, 0, nWidth, nHeight, SRCCOPY);
}
}
else
{
BitBlt(hdc,
(rc.left + rc.right - nWidth) / 2,
(rc.top + rc.bottom - nHeight) / 2,
nWidth, nHeight,
hdcBmp, 0, 0, SRCCOPY);
}
DeleteDC(hdcBmp);
}
}
EndPaint(hwnd, &paintStruct);
return FALSE;
}
////////////////////////////////////////////////////////////////////////////////
// Returns supported image filters
//
wchar_t *gg_img_getfilter(wchar_t *szFilter, int nSize)
{
// Match relative to ImgDecoder presence
wchar_t *szFilterName = TranslateT("Image files (*.bmp,*.gif,*.jpeg,*.jpg,*.png)");
wchar_t *szFilterMask = L"*.bmp;*.gif;*.jpeg;*.jpg;*.png";
// Make up filter
wchar_t *pFilter = szFilter;
wcsncpy(pFilter, szFilterName, nSize);
pFilter += mir_wstrlen(pFilter) + 1;
if (pFilter >= szFilter + nSize)
return nullptr;
wcsncpy(pFilter, szFilterMask, nSize - (pFilter - szFilter));
pFilter += mir_wstrlen(pFilter) + 1;
if (pFilter >= szFilter + nSize)
return nullptr;
*pFilter = 0;
return szFilter;
}
////////////////////////////////////////////////////////////////////////////////
// Save specified image entry
//
int gg_img_saveimage(HWND hwnd, GGIMAGEENTRY *dat)
{
if (!dat)
return FALSE;
GaduProto* gg = ((GGIMAGEDLGDATA *)GetWindowLongPtr(hwnd, GWLP_USERDATA))->gg;
wchar_t szFilter[128];
gg_img_getfilter(szFilter, _countof(szFilter));
wchar_t szFileName[MAX_PATH];
wcsncpy(szFileName, dat->lpszFileName, _countof(szFileName));
OPENFILENAME ofn = { 0 };
ofn.lStructSize = OPENFILENAME_SIZE_VERSION_400;
ofn.hwndOwner = hwnd;
ofn.hInstance = g_plugin.getInst();
ofn.lpstrFile = szFileName;
ofn.lpstrFilter = szFilter;
ofn.nMaxFile = MAX_PATH;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_NOCHANGEDIR | OFN_OVERWRITEPROMPT;
if (GetSaveFileName(&ofn))
{
FILE *fp = _wfopen(szFileName, L"w+b");
if (fp)
{
fwrite(dat->lpData, dat->nSize, 1, fp);
fclose(fp);
gg->debugLogW(L"gg_img_saveimage(): Image saved to %s.", szFileName);
}
else
{
gg->debugLogW(L"gg_img_saveimage(): Cannot save image to %s.", szFileName);
MessageBox(hwnd, TranslateT("Image cannot be written to disk."), gg->m_tszUserName, MB_OK | MB_ICONERROR);
}
}
return 0;
}
////////////////////////////////////////////////////////////////////////////
// Fit window size to image size
//
BOOL gg_img_fit(HWND hwndDlg)
{
GGIMAGEDLGDATA *dat = (GGIMAGEDLGDATA *)GetWindowLongPtr(hwndDlg, GWLP_USERDATA);
// Check if image is loaded
if (!dat || !dat->lpImages || !dat->lpImages->hBitmap)
return FALSE;
GGIMAGEENTRY *img = dat->lpImages;
// Go to last image
while (img->lpNext && dat->lpImages->hBitmap)
img = img->lpNext;
// Get rects of display
RECT dlgRect, imgRect;
GetWindowRect(hwndDlg, &dlgRect);
GetClientRect(GetDlgItem(hwndDlg, IDC_IMG_IMAGE), &imgRect);
HDC hdc = GetDC(hwndDlg);
BITMAP bmp;
GetObject(img->hBitmap, sizeof(bmp), &bmp);
int nWidth = bmp.bmWidth;
int nHeight = bmp.bmHeight;
RECT wrkRect;
SystemParametersInfo(SPI_GETWORKAREA, 0, &wrkRect, 0);
ReleaseDC(hwndDlg, hdc);
int rWidth = 0;
if ((imgRect.right - imgRect.left) < nWidth)
rWidth = nWidth - imgRect.right + imgRect.left;
int rHeight = 0;
if ((imgRect.bottom - imgRect.top) < nHeight)
rHeight = nHeight - imgRect.bottom + imgRect.top;
// Check if anything needs resize
if (!rWidth && !rHeight)
return FALSE;
int oWidth = dlgRect.right - dlgRect.left + rWidth;
int oHeight = dlgRect.bottom - dlgRect.top + rHeight;
if (oHeight > wrkRect.bottom - wrkRect.top)
{
oWidth = (int)((double)(wrkRect.bottom - wrkRect.top + imgRect.bottom - imgRect.top - dlgRect.bottom + dlgRect.top) * nWidth / nHeight)
- imgRect.right + imgRect.left + dlgRect.right - dlgRect.left;
if (oWidth < dlgRect.right - dlgRect.left)
oWidth = dlgRect.right - dlgRect.left;
oHeight = wrkRect.bottom - wrkRect.top;
}
if (oWidth > wrkRect.right - wrkRect.left)
{
oHeight = (int)((double)(wrkRect.right - wrkRect.left + imgRect.right - imgRect.left - dlgRect.right + dlgRect.left) * nHeight / nWidth)
- imgRect.bottom + imgRect.top + dlgRect.bottom - dlgRect.top;
if (oHeight < dlgRect.bottom - dlgRect.top)
oHeight = dlgRect.bottom - dlgRect.top;
oWidth = wrkRect.right - wrkRect.left;
}
SetWindowPos(hwndDlg, nullptr,
(wrkRect.left + wrkRect.right - oWidth) / 2,
(wrkRect.top + wrkRect.bottom - oHeight) / 2,
oWidth, oHeight,
SWP_SHOWWINDOW | SWP_NOZORDER /* | SWP_NOACTIVATE */);
return TRUE;
}
////////////////////////////////////////////////////////////////////////////
// Dialog resizer procedure
//
static int sttImageDlgResizer(HWND, LPARAM, UTILRESIZECONTROL *urc)
{
switch (urc->wId)
{
case IDC_IMG_PREV:
case IDC_IMG_NEXT:
case IDC_IMG_DELETE:
case IDC_IMG_SAVE:
return RD_ANCHORX_RIGHT | RD_ANCHORY_TOP;
case IDC_IMG_IMAGE:
return RD_ANCHORX_LEFT | RD_ANCHORY_TOP | RD_ANCHORY_HEIGHT | RD_ANCHORX_WIDTH;
case IDC_IMG_SEND:
case IDC_IMG_CANCEL:
return RD_ANCHORX_RIGHT | RD_ANCHORY_BOTTOM;
}
return RD_ANCHORX_LEFT | RD_ANCHORY_TOP;
}
////////////////////////////////////////////////////////////////////////////
// Send / Recv main dialog procedure
//
static INT_PTR CALLBACK gg_img_dlgproc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
GGIMAGEDLGDATA *dat = (GGIMAGEDLGDATA *)GetWindowLongPtr(hwndDlg, GWLP_USERDATA);
switch (msg) {
case WM_INITDIALOG:
{
TranslateDialogDefault(hwndDlg);
// This should be already initialized
// InitCommonControls();
// Get dialog data
dat = (GGIMAGEDLGDATA *)lParam;
SetWindowLongPtr(hwndDlg, GWLP_USERDATA, (LONG_PTR)dat);
// Save dialog handle
dat->hWnd = hwndDlg;
// Send event if someone's waiting
if (dat->hEvent)
SetEvent(dat->hEvent);
else
dat->gg->debugLogA("gg_img_dlgproc(): WM_INITDIALOG Creation event not found, but someone might be waiting.");
// Making buttons flat
SendDlgItemMessage(hwndDlg, IDC_IMG_PREV, BUTTONSETASFLATBTN, TRUE, 0);
SendDlgItemMessage(hwndDlg, IDC_IMG_PREV, BM_SETIMAGE, IMAGE_ICON, (LPARAM)LoadIconEx("previous", FALSE));
SendDlgItemMessage(hwndDlg, IDC_IMG_PREV, BUTTONADDTOOLTIP, (WPARAM)TranslateT("Previous image"), BATF_UNICODE);
SendDlgItemMessage(hwndDlg, IDC_IMG_NEXT, BUTTONSETASFLATBTN, TRUE, 0);
SendDlgItemMessage(hwndDlg, IDC_IMG_NEXT, BM_SETIMAGE, IMAGE_ICON, (LPARAM)LoadIconEx("next", FALSE));
SendDlgItemMessage(hwndDlg, IDC_IMG_NEXT, BUTTONADDTOOLTIP, (WPARAM)TranslateT("Next image"), BATF_UNICODE);
SendDlgItemMessage(hwndDlg, IDC_IMG_SAVE, BUTTONSETASFLATBTN, TRUE, 0);
SendDlgItemMessage(hwndDlg, IDC_IMG_SAVE, BM_SETIMAGE, IMAGE_ICON, (LPARAM)LoadIconEx("save", FALSE));
SendDlgItemMessage(hwndDlg, IDC_IMG_SAVE, BUTTONADDTOOLTIP, (WPARAM)TranslateT("Save image to disk"), BATF_UNICODE);
SendDlgItemMessage(hwndDlg, IDC_IMG_DELETE, BUTTONSETASFLATBTN, TRUE, 0);
SendDlgItemMessage(hwndDlg, IDC_IMG_DELETE, BM_SETIMAGE, IMAGE_ICON, (LPARAM)LoadIconEx("delete", FALSE));
SendDlgItemMessage(hwndDlg, IDC_IMG_DELETE, BUTTONADDTOOLTIP, (WPARAM)TranslateT("Delete image from the list"), BATF_UNICODE);
// Set main window image
Window_SetIcon_IcoLib(hwndDlg, GetIconHandle(IDI_IMAGE));
wchar_t *szName = Clist_GetContactDisplayName(dat->hContact), szTitle[128];
if (dat->bReceiving)
mir_snwprintf(szTitle, TranslateT("Image from %s"), szName);
else
mir_snwprintf(szTitle, TranslateT("Image for %s"), szName);
SetWindowText(hwndDlg, szTitle);
// Store client extents
RECT rect;
GetClientRect(hwndDlg, &rect);
dat->minSize.cx = rect.right - rect.left;
dat->minSize.cy = rect.bottom - rect.top;
}
return TRUE;
case WM_SIZE:
Utils_ResizeDialog(hwndDlg, g_plugin.getInst(), dat->bReceiving ? MAKEINTRESOURCEA(IDD_IMAGE_RECV) : MAKEINTRESOURCEA(IDD_IMAGE_SEND), sttImageDlgResizer);
if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
InvalidateRect(hwndDlg, nullptr, FALSE);
return 0;
case WM_SIZING:
{
RECT *pRect = (RECT *)lParam;
if (pRect->right - pRect->left < dat->minSize.cx)
{
if (wParam == WMSZ_BOTTOMLEFT || wParam == WMSZ_LEFT || wParam == WMSZ_TOPLEFT)
pRect->left = pRect->right - dat->minSize.cx;
else
pRect->right = pRect->left + dat->minSize.cx;
}
if (pRect->bottom - pRect->top < dat->minSize.cy)
{
if (wParam == WMSZ_TOPLEFT || wParam == WMSZ_TOP || wParam == WMSZ_TOPRIGHT)
pRect->top = pRect->bottom - dat->minSize.cy;
else
pRect->bottom = pRect->top + dat->minSize.cy;
}
}
return TRUE;
case WM_CLOSE:
EndDialog(hwndDlg, 0);
break;
// Flash the window
case WM_TIMER:
if (wParam == TIMERID_FLASHWND)
FlashWindow(hwndDlg, TRUE);
break;
// Kill the timer
case WM_ACTIVATE:
if (LOWORD(wParam) != WA_ACTIVE)
break;
case WM_MOUSEACTIVATE:
if (KillTimer(hwndDlg, TIMERID_FLASHWND))
FlashWindow(hwndDlg, FALSE);
break;
case WM_PAINT:
if (dat->lpImages)
{
GGIMAGEENTRY *img = dat->lpImages;
for (int i = 1; img && (i < dat->nImg); i++)
img = img->lpNext;
if (!img)
{
dat->gg->debugLogA("gg_img_dlgproc(): WM_PAINT Image was not found on the list. Cannot paint the window.");
return FALSE;
}
if (dat->bReceiving)
{
wchar_t szTitle[128];
mir_snwprintf(szTitle, L"%s (%d / %d)", img->lpszFileName, dat->nImg, dat->nImgTotal);
SetDlgItemText(hwndDlg, IDC_IMG_NAME, szTitle);
}
else
SetDlgItemText(hwndDlg, IDC_IMG_NAME, img->lpszFileName);
gg_img_paint(hwndDlg, img);
}
break;
case WM_DESTROY:
if (dat)
{
// Deleting all image entries
GGIMAGEENTRY *temp, *img = dat->lpImages;
GaduProto *gg = dat->gg;
while (temp = img)
{
img = img->lpNext;
gg_img_releasepicture(temp);
}
ReleaseIconEx("previous", FALSE);
ReleaseIconEx("next", FALSE);
ReleaseIconEx("delete", FALSE);
ReleaseIconEx("save", FALSE);
Window_FreeIcon_IcoLib(hwndDlg);
gg->gg_EnterCriticalSection(&gg->img_mutex, "gg_img_dlgproc", 58, "img_mutex", 1);
list_remove(&gg->imagedlgs, dat, 1);
gg->gg_LeaveCriticalSection(&gg->img_mutex, "gg_img_dlgproc", 58, 1, "img_mutex", 1);
}
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDC_IMG_CANCEL:
EndDialog(hwndDlg, 0);
return TRUE;
case IDC_IMG_PREV:
if (dat->nImg > 1)
{
dat->nImg--;
InvalidateRect(hwndDlg, nullptr, FALSE);
}
return TRUE;
case IDC_IMG_NEXT:
if (dat->nImg < dat->nImgTotal)
{
dat->nImg++;
InvalidateRect(hwndDlg, nullptr, FALSE);
}
return TRUE;
case IDC_IMG_DELETE:
{
GGIMAGEENTRY *del, *img = dat->lpImages;
if (dat->nImg == 1)
{
del = dat->lpImages;
dat->lpImages = img->lpNext;
}
else
{
for (int i = 1; img && (i < dat->nImg - 1); i++)
img = img->lpNext;
if (!img)
{
dat->gg->debugLogA("gg_img_dlgproc(): IDC_IMG_DELETE Image was not found on the list. Cannot delete it from the list.");
return FALSE;
}
del = img->lpNext;
img->lpNext = del->lpNext;
dat->nImg--;
}
if ((--dat->nImgTotal) == 0)
EndDialog(hwndDlg, 0);
else
InvalidateRect(hwndDlg, nullptr, FALSE);
gg_img_releasepicture(del);
}
return TRUE;
case IDC_IMG_SAVE:
{
GGIMAGEENTRY *img = dat->lpImages;
for (int i = 1; img && (i < dat->nImg); i++)
img = img->lpNext;
if (!img)
{
dat->gg->debugLogA("gg_img_dlgproc(): IDC_IMG_SAVE Image was not found on the list. Cannot launch saving.");
return FALSE;
}
gg_img_saveimage(hwndDlg, img);
}
return TRUE;
case IDC_IMG_SEND:
{
unsigned char format[20];
GaduProto *gg = dat->gg;
if (dat->lpImages && gg->isonline())
{
((gg_msg_richtext*)format)->flag = 2;
gg_msg_richtext_format *r = (gg_msg_richtext_format *)(format + sizeof(struct gg_msg_richtext));
r->position = 0;
r->font = GG_FONT_IMAGE;
gg_msg_richtext_image *p = (gg_msg_richtext_image *)(format + sizeof(struct gg_msg_richtext) + sizeof(struct gg_msg_richtext_format));
p->unknown1 = 0x109;
p->size = dat->lpImages->nSize;
dat->lpImages->crc32 = p->crc32 = gg_fix32(gg_crc32(0, (BYTE*)dat->lpImages->lpData, dat->lpImages->nSize));
int len = sizeof(struct gg_msg_richtext_format) + sizeof(struct gg_msg_richtext_image);
((gg_msg_richtext*)format)->length = len;
uin_t uin = (uin_t)gg->getDword(dat->hContact, GG_KEY_UIN, 0);
gg->gg_EnterCriticalSection(&gg->sess_mutex, "gg_img_dlgproc", 59, "sess_mutex", 1);
gg_send_message_richtext(gg->m_sess, GG_CLASS_CHAT, uin, (unsigned char*)"\xA0\0", format, len + sizeof(struct gg_msg_richtext));
gg->gg_LeaveCriticalSection(&gg->sess_mutex, "gg_img_dlgproc", 59, 1, "sess_mutex", 1);
// Protect dat from releasing
SetWindowLongPtr(hwndDlg, GWLP_USERDATA, 0);
EndDialog(hwndDlg, 0);
}
return TRUE;
}
break;
}
break;
case WM_ADDIMAGE: // lParam == GGIMAGEENTRY *dat
{
GGIMAGEENTRY *lpImage = (GGIMAGEENTRY *)lParam;
GGIMAGEENTRY *lpImages = dat->lpImages;
if (!dat->lpImages) // first image entry
dat->lpImages = lpImage;
else // adding at the end of the list
{
while (lpImages->lpNext)
lpImages = lpImages->lpNext;
lpImages->lpNext = lpImage;
}
dat->nImg = ++dat->nImgTotal;
}
// Fit window to image
if (!gg_img_fit(hwndDlg))
InvalidateRect(hwndDlg, nullptr, FALSE);
return TRUE;
case WM_CHOOSEIMG:
{
wchar_t szFilter[128];
wchar_t szFileName[MAX_PATH];
OPENFILENAME ofn = { 0 };
gg_img_getfilter(szFilter, _countof(szFilter));
*szFileName = 0;
ofn.lStructSize = OPENFILENAME_SIZE_VERSION_400;
ofn.hwndOwner = hwndDlg;
ofn.hInstance = g_plugin.getInst();
ofn.lpstrFilter = szFilter;
ofn.lpstrFile = szFileName;
ofn.nMaxFile = MAX_PATH;
ofn.lpstrTitle = TranslateT("Select picture to send");
ofn.Flags = OFN_FILEMUSTEXIST | OFN_NOCHANGEDIR | OFN_HIDEREADONLY;
if (GetOpenFileName(&ofn))
{
if (dat->lpImages)
gg_img_releasepicture(dat->lpImages);
if (!(dat->lpImages = (GGIMAGEENTRY *)dat->gg->img_loadpicture(nullptr, szFileName)))
{
EndDialog(hwndDlg, 0);
return FALSE;
}
if (!gg_img_fit(hwndDlg))
InvalidateRect(hwndDlg, nullptr, FALSE);
}
else
{
EndDialog(hwndDlg, 0);
return FALSE;
}
return TRUE;
}
}
return FALSE;
}
////////////////////////////////////////////////////////////////////////////
// Image dialog call thread
//
void __cdecl GaduProto::img_dlgcallthread(void *param)
{
debugLogA("img_dlgcallthread(): started.");
HWND hMIWnd = nullptr;
GGIMAGEDLGDATA *dat = (GGIMAGEDLGDATA *)param;
DialogBoxParam(g_plugin.getInst(), dat->bReceiving ? MAKEINTRESOURCE(IDD_IMAGE_RECV) : MAKEINTRESOURCE(IDD_IMAGE_SEND),
hMIWnd, gg_img_dlgproc, (LPARAM)dat);
#ifdef DEBUGMODE
debugLogA("img_dlgcallthread(): end.");
#endif
}
////////////////////////////////////////////////////////////////////////////
// Open dialog receive for specified contact
//
GGIMAGEDLGDATA *gg_img_recvdlg(GaduProto *gg, MCONTACT hContact)
{
// Create dialog data
GGIMAGEDLGDATA *dat = (GGIMAGEDLGDATA *)calloc(1, sizeof(GGIMAGEDLGDATA));
dat->hContact = hContact;
dat->hEvent = CreateEvent(nullptr, TRUE, FALSE, nullptr);
dat->bReceiving = TRUE;
dat->gg = gg;
ResetEvent(dat->hEvent);
#ifdef DEBUGMODE
gg->debugLogA("gg_img_recvdlg(): ForkThread 18 GaduProto::img_dlgcallthread");
#endif
gg->ForkThread(&GaduProto::img_dlgcallthread, dat);
return dat;
}
////////////////////////////////////////////////////////////////////////////
// Checks if an image is already saved to the specified path
// Returns 1 if yes, 0 if no or -1 if different image on this path is found
//
int gg_img_isexists(wchar_t *szPath, GGIMAGEENTRY *dat)
{
struct _stat st;
if (_wstat(szPath, &st) != 0)
return 0;
if (st.st_size == (long)dat->nSize)
{
FILE *fp = _wfopen(szPath, L"rb");
if (!fp) return 0;
char *lpData = (char*)mir_alloc(dat->nSize);
if (fread(lpData, 1, dat->nSize, fp) == dat->nSize)
{
if (dat->crc32 == gg_fix32(gg_crc32(0, (BYTE*)lpData, dat->nSize)) ||
memcmp(lpData, dat->lpData, dat->nSize) == 0)
{
mir_free(lpData);
fclose(fp);
return 1;
}
}
mir_free(lpData);
fclose(fp);
}
return -1;
}
////////////////////////////////////////////////////////////////////////////
// Determine if image's file name has the proper extension
//
wchar_t *gg_img_hasextension(wchar_t *filename)
{
if (filename != nullptr && *filename != '\0')
{
wchar_t *imgtype = wcsrchr(filename, '.');
if (imgtype != nullptr)
{
size_t len = mir_wstrlen(imgtype);
imgtype++;
if (len == 4 && (mir_wstrcmpi(imgtype, L"bmp") == 0 ||
mir_wstrcmpi(imgtype, L"gif") == 0 ||
mir_wstrcmpi(imgtype, L"jpg") == 0 ||
mir_wstrcmpi(imgtype, L"png") == 0))
return --imgtype;
if (len == 5 && mir_wstrcmpi(imgtype, L"jpeg") == 0)
return --imgtype;
}
}
return nullptr;
}
////////////////////////////////////////////////////////////////////////////////
// Display received image using message with [img] BBCode
//
int GaduProto::img_displayasmsg(MCONTACT hContact, void *img)
{
wchar_t szPath[MAX_PATH], path[MAX_PATH];
size_t tPathLen;
if (hImagesFolder == nullptr || FoldersGetCustomPathT(hImagesFolder, path, MAX_PATH, L"")) {
wchar_t *tmpPath = Utils_ReplaceVarsW(L"%miranda_userdata%");
tPathLen = mir_snwprintf(szPath, L"%s\\%s\\ImageCache", tmpPath, m_tszUserName);
mir_free(tmpPath);
}
else {
mir_wstrcpy(szPath, path);
tPathLen = mir_wstrlen(szPath);
}
if (_waccess(szPath, 0)) {
int ret = CreateDirectoryTreeW(szPath);
if (ret == 0) {
debugLogW(L"img_displayasmsg(): Created new directory for image cache: %s.", szPath);
}
else {
debugLogW(L"img_displayasmsg(): Can not create directory for image cache: %s. errno=%d: %s", szPath, errno, strerror(errno));
wchar_t error[512];
mir_snwprintf(error, TranslateT("Cannot create image cache directory. ERROR: %d: %s\n%s"), errno, _wcserror(errno), szPath);
showpopup(m_tszUserName, error, GG_POPUP_ERROR | GG_POPUP_ALLOW_MSGBOX | GG_POPUP_ONCE);
}
}
GGIMAGEENTRY *dat = (GGIMAGEENTRY *)img;
mir_snwprintf(szPath + tPathLen, MAX_PATH - tPathLen, L"\\%s", dat->lpszFileName);
wchar_t *pImgext = gg_img_hasextension(szPath);
if (pImgext == nullptr)
pImgext = szPath + mir_wstrlen(szPath);
wchar_t imgext[6];
wcsncpy_s(imgext, pImgext, _TRUNCATE);
int res = -1;
for (int i = 1; ; i++)
{
res = gg_img_isexists(szPath, dat);
if (res != -1)
break;
mir_snwprintf(szPath, L"%.*s (%u)%s", pImgext - szPath, szPath, i, imgext);
}
if (res == 0) {
// Image file not found, thus create it
FILE *fp = _wfopen(szPath, L"w+b");
if (fp) {
res = fwrite(dat->lpData, dat->nSize, 1, fp) > 0;
fclose(fp);
}
else {
debugLogW(L"img_displayasmsg(): Cannot open file %s for write image. errno=%d: %s", szPath, errno, strerror(errno));
wchar_t error[512];
mir_snwprintf(error, TranslateT("Cannot save received image to file. ERROR: %d: %s\n%s"), errno, _wcserror(errno), szPath);
showpopup(m_tszUserName, error, GG_POPUP_ERROR);
return 0;
}
}
if (res != 0) {
wchar_t image_msg[MAX_PATH + 11];
mir_snwprintf(image_msg, L"[img]%s[/img]", szPath);
T2Utf szMessage(image_msg);
PROTORECVEVENT pre = { 0 };
pre.timestamp = time(0);
pre.szMessage = szMessage;
ProtoChainRecvMsg(hContact, &pre);
debugLogW(L"img_displayasmsg(): Image saved to %s.", szPath);
}
else
debugLogW(L"img_displayasmsg(): Cannot save image to %s.", szPath);
return 0;
}
////////////////////////////////////////////////////////////////////////////
// Return if uin has it's window already opened
//
BOOL GaduProto::img_opened(uin_t uin)
{
list_t l = imagedlgs;
while (l)
{
GGIMAGEDLGDATA *dat = (GGIMAGEDLGDATA *)l->data;
if (dat->uin == uin)
return TRUE;
l = l->next;
}
return FALSE;
}
////////////////////////////////////////////////////////////////////////////
// Image Module : Looking for window entry, create if not found
//
int GaduProto::img_display(MCONTACT hContact, void *img)
{
list_t l = imagedlgs;
GGIMAGEDLGDATA *dat = nullptr;
if (!img)
return FALSE;
// Look for already open dialog
gg_EnterCriticalSection(&img_mutex, "img_display", 60, "img_mutex", 1);
while (l)
{
dat = (GGIMAGEDLGDATA *)l->data;
if (dat->bReceiving && dat->hContact == hContact)
break;
l = l->next;
}
if (!l)
dat = nullptr;
if (!dat)
{
dat = gg_img_recvdlg(this, hContact);
dat->uin = getDword(hContact, GG_KEY_UIN, 0);
while (WaitForSingleObjectEx(dat->hEvent, INFINITE, TRUE) != WAIT_OBJECT_0);
CloseHandle(dat->hEvent);
dat->hEvent = nullptr;
list_add(&imagedlgs, dat, 0);
}
gg_LeaveCriticalSection(&img_mutex, "img_display", 60, 1, "img_mutex", 1);
SendMessage(dat->hWnd, WM_ADDIMAGE, 0, (LPARAM)img);
if (/*db_get_b(0, "Chat", "bFlashWindowHighlight", 0) != 0 && */
GetActiveWindow() != dat->hWnd && GetForegroundWindow() != dat->hWnd)
{
SetTimer(dat->hWnd, TIMERID_FLASHWND, 900, nullptr);
}
return TRUE;
}
////////////////////////////////////////////////////////////////////////////
// Helper function to determine image file format and the right extension
//
const wchar_t *gg_img_guessfileextension(const char *lpData)
{
if (lpData != nullptr)
{
if (memcmp(lpData, "BM", 2) == 0)
return L".bmp";
if (memcmp(lpData, "GIF8", 4) == 0)
return L".gif";
if (memcmp(lpData, "\xFF\xD8", 2) == 0)
return L".jpg";
if (memcmp(lpData, "\x89PNG", 4) == 0)
return L".png";
}
return L"";
}
////////////////////////////////////////////////////////////////////////////
// Image Window : Loading picture and sending for display
//
void* GaduProto::img_loadpicture(gg_event* e, wchar_t *szFileName)
{
if (!szFileName &&
(!e || !e->event.image_reply.size || !e->event.image_reply.image || !e->event.image_reply.filename))
return nullptr;
GGIMAGEENTRY *dat = (GGIMAGEENTRY *)calloc(1, sizeof(GGIMAGEENTRY));
if (dat == nullptr)
return nullptr;
// Copy the file name
if (szFileName)
{
FILE *fp = _wfopen(szFileName, L"rb");
if (!fp) {
free(dat);
debugLogW(L"img_loadpicture(): fopen(\"%s\", \"rb\" failed. errno=%d: %s)", szFileName, errno, strerror(errno));
wchar_t error[512];
mir_snwprintf(error, TranslateT("Cannot open image file. ERROR: %d: %s\n%s"), errno, _wcserror(errno), szFileName);
showpopup(m_tszUserName, error, GG_POPUP_ERROR);
return nullptr;
}
fseek(fp, 0, SEEK_END);
dat->nSize = ftell(fp);
if (dat->nSize <= 0)
{
fclose(fp);
free(dat);
debugLogW(L"img_loadpicture(): Zero file size \"%s\" failed.", szFileName);
return nullptr;
}
// Maximum acceptable image size
if (dat->nSize > 255 * 1024)
{
fclose(fp);
free(dat);
debugLogW(L"img_loadpicture(): Image size of \"%s\" exceeds 255 KB.", szFileName);
MessageBox(nullptr, TranslateT("Image exceeds maximum allowed size of 255 KB."), m_tszUserName, MB_OK | MB_ICONEXCLAMATION);
return nullptr;
}
fseek(fp, 0, SEEK_SET);
dat->lpData = (char*)malloc(dat->nSize);
if (fread(dat->lpData, 1, dat->nSize, fp) < dat->nSize)
{
free(dat->lpData);
fclose(fp);
free(dat);
debugLogW(L"img_loadpicture(): Reading file \"%s\" failed.", szFileName);
return nullptr;
}
fclose(fp);
dat->lpszFileName = wcsdup(szFileName);
}
// Copy picture from packet
else if (e && e->event.image_reply.filename)
{
dat->nSize = e->event.image_reply.size;
dat->lpData = (char*)malloc(dat->nSize);
memcpy(dat->lpData, e->event.image_reply.image, dat->nSize);
ptrW tmpFileName(mir_a2u(e->event.image_reply.filename));
if (!gg_img_hasextension(tmpFileName)) {
// Add missing file extension
const wchar_t *szImgType = gg_img_guessfileextension(dat->lpData);
if (*szImgType) {
dat->lpszFileName = (wchar_t*)calloc(sizeof(wchar_t), mir_wstrlen(tmpFileName) + mir_wstrlen(szImgType) + 1);
if (dat->lpszFileName != nullptr) {
mir_wstrcpy(dat->lpszFileName, tmpFileName);
mir_wstrcat(dat->lpszFileName, szImgType);
}
}
}
if (dat->lpszFileName == nullptr)
dat->lpszFileName = wcsdup(_A2T(e->event.image_reply.filename));
}
////////////////////////////////////////////////////////////////////
// Loading picture using Miranda Image services
if (!szFileName) // Load image from memory
dat->hBitmap = Image_LoadFromMem(dat->lpData, dat->nSize, FIF_UNKNOWN);
else
dat->hBitmap = Bitmap_Load(szFileName); // Load image from file
// If everything is fine return the handle
if (dat->hBitmap)
return dat;
debugLogA("img_loadpicture(): MS_IMG_LOAD(MEM) failed.");
if (dat) {
free(dat->lpData);
free(dat->lpszFileName);
free(dat);
}
return nullptr;
}
////////////////////////////////////////////////////////////////////////////
// Image Recv : AddEvent proc
//
INT_PTR GaduProto::img_recvimage(WPARAM wParam, LPARAM lParam)
{
CLISTEVENT *cle = (CLISTEVENT *)lParam;
GGIMAGEENTRY *img = (GGIMAGEENTRY *)cle->lParam;
debugLogA("img_recvimage(%x, %x): Popup new image.", wParam, lParam);
if (!img)
return FALSE;
img_display(cle->hContact, img);
return FALSE;
}
////////////////////////////////////////////////////////////////////////////
// Windows queue management
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////
// Removes dat structure
//
int gg_img_remove(GGIMAGEDLGDATA *dat)
{
GGIMAGEENTRY *temp = nullptr, *img = nullptr;
GaduProto *gg;
if (!dat)
return FALSE;
gg = dat->gg;
gg->gg_EnterCriticalSection(&gg->img_mutex, "gg_img_remove", 61, "img_mutex", 1);
// Remove the structure
img = dat->lpImages;
// Destroy picture handle
while (temp = img)
{
img = img->lpNext;
gg_img_releasepicture(temp);
}
// Remove from list
list_remove(&gg->imagedlgs, dat, 1);
gg->gg_LeaveCriticalSection(&gg->img_mutex, "gg_img_remove", 61, 1, "img_mutex", 1);
return TRUE;
}
////////////////////////////////////////////////////////////////////////////
//
GGIMAGEDLGDATA* gg_img_find(GaduProto *gg, uin_t uin, uint32_t crc32)
{
list_t l = gg->imagedlgs;
GGIMAGEDLGDATA *dat;
uin_t c_uin;
gg->gg_EnterCriticalSection(&gg->img_mutex, "gg_img_find", 62, "img_mutex", 1);
while (l)
{
dat = (GGIMAGEDLGDATA *)l->data;
if (!dat) break;
c_uin = dat->gg->getDword(dat->hContact, GG_KEY_UIN, 0);
if (!dat->bReceiving && dat->lpImages && dat->lpImages->crc32 == crc32 && c_uin == uin)
{
gg->gg_LeaveCriticalSection(&gg->img_mutex, "gg_img_find", 62, 1, "img_mutex", 1);
return dat;
}
l = l->next;
}
gg->gg_LeaveCriticalSection(&gg->img_mutex, "gg_img_find", 62, 2, "img_mutex", 1);
gg->debugLogA("gg_img_find(): Image not found on the list. It might be released before calling this function.");
return nullptr;
}
////////////////////////////////////////////////////////////////////////////
// Image Module : Send on Request
//
BOOL GaduProto::img_sendonrequest(gg_event* e)
{
GGIMAGEDLGDATA *dat = gg_img_find(this, e->event.image_request.sender, e->event.image_request.crc32);
if (!dat || !isonline())
return FALSE;
char* lpszFileNameA = mir_u2a(dat->lpImages->lpszFileName);
gg_EnterCriticalSection(&sess_mutex, "img_sendonrequest", 63, "sess_mutex", 1);
gg_image_reply(m_sess, e->event.image_request.sender, lpszFileNameA, dat->lpImages->lpData, dat->lpImages->nSize);
gg_LeaveCriticalSection(&sess_mutex, "img_sendonrequest", 63, 1, "sess_mutex", 1);
mir_free(lpszFileNameA);
gg_img_remove(dat);
return TRUE;
}
////////////////////////////////////////////////////////////////////////////
// Send Image : Run (Thread and main)
//
INT_PTR GaduProto::img_sendimg(WPARAM hContact, LPARAM)
{
GGIMAGEDLGDATA *dat = nullptr;
gg_EnterCriticalSection(&img_mutex, "img_sendimg", 64, "img_mutex", 1);
if (!dat)
{
dat = (GGIMAGEDLGDATA *)calloc(1, sizeof(GGIMAGEDLGDATA));
dat->hContact = hContact;
dat->hEvent = CreateEvent(nullptr, TRUE, FALSE, nullptr);
dat->gg = this;
ResetEvent(dat->hEvent);
// Create new dialog
#ifdef DEBUGMODE
debugLogA("img_sendimg(): ForkThread 19 GaduProto::img_dlgcallthread");
#endif
ForkThread(&GaduProto::img_dlgcallthread, dat);
while (WaitForSingleObjectEx(dat->hEvent, INFINITE, TRUE) != WAIT_OBJECT_0);
CloseHandle(dat->hEvent);
dat->hEvent = nullptr;
list_add(&imagedlgs, dat, 0);
}
// Request choose dialog
SendMessage(dat->hWnd, WM_CHOOSEIMG, 0, 0);
gg_LeaveCriticalSection(&img_mutex, "img_sendimg", 64, 1, "img_mutex", 1);
return 0;
}
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