diff options
Diffstat (limited to 'iup/src/win/iupwin_filedlg.c')
| -rwxr-xr-x | iup/src/win/iupwin_filedlg.c | 580 |
1 files changed, 580 insertions, 0 deletions
diff --git a/iup/src/win/iupwin_filedlg.c b/iup/src/win/iupwin_filedlg.c new file mode 100755 index 0000000..da66b4b --- /dev/null +++ b/iup/src/win/iupwin_filedlg.c @@ -0,0 +1,580 @@ +/** \file + * \brief IupFileDlg pre-defined dialog + * + * See Copyright Notice in "iup.h" + */ + +#include <windows.h> +#include <commdlg.h> +#include <shlobj.h> + +#include <stdio.h> + +#include "iup.h" +#include "iupcbs.h" + +#include "iup_object.h" +#include "iup_attrib.h" +#include "iup_str.h" +#include "iup_dialog.h" +#include "iup_drvinfo.h" + +#include "iupwin_drv.h" + + +#ifndef OFN_FORCESHOWHIDDEN +#define OFN_FORCESHOWHIDDEN 0x10000000 /* Show All files including System and hidden files */ +#endif + +#define MAX_FILENAME_SIZE 65000 +#define IUP_PREVIEWCANVAS 3000 + +enum {IUP_DIALOGOPEN, IUP_DIALOGSAVE, IUP_DIALOGDIR}; + + +static void winFileDlgStrReplacePathSlash(char* name) +{ + /* check for "/" */ + int i, len = strlen(name); + for (i = 0; i < len; i++) + { + if (name[i] == '/') + name[i] = '\\'; + } +} + +static INT CALLBACK winFileDlgBrowseCallback(HWND hWnd, UINT uMsg, LPARAM lParam, LPARAM lpData) +{ + (void)lParam; + if (uMsg == BFFM_INITIALIZED) + { + char* value; + Ihandle* ih = (Ihandle*)lpData; + ih->handle = hWnd; + iupDialogUpdatePosition(ih); + ih->handle = NULL; /* reset handle */ + value = iupStrDup(iupAttribGet(ih, "DIRECTORY")); + if (value) + { + winFileDlgStrReplacePathSlash(value); + SendMessage(hWnd, BFFM_SETSELECTION, TRUE, (LPARAM)value); + free(value); + } + } + else if (uMsg == BFFM_SELCHANGED) + { + char* buffer = iupStrGetMemory(MAX_FILENAME_SIZE); + ITEMIDLIST* selecteditem = (ITEMIDLIST*)lParam; + buffer[0] = 0; + SHGetPathFromIDList(selecteditem, buffer); + if (buffer[0] == 0) + SendMessage(hWnd, BFFM_ENABLEOK, 0, (LPARAM)FALSE); + else + SendMessage(hWnd, BFFM_ENABLEOK, 0, (LPARAM)TRUE); + } + return 0; +} + +static void winFileDlgGetFolder(Ihandle *ih) +{ + InativeHandle* parent = iupDialogGetNativeParent(ih); + BROWSEINFO browseinfo; + char buffer[MAX_PATH]; + ITEMIDLIST *selecteditem; + + if (!parent) + parent = GetActiveWindow(); + + ZeroMemory(&browseinfo, sizeof(BROWSEINFO)); + browseinfo.lpszTitle = iupAttribGet(ih, "TITLE"); + browseinfo.pszDisplayName = buffer; + browseinfo.lpfn = winFileDlgBrowseCallback; + browseinfo.lParam = (LPARAM)ih; + browseinfo.ulFlags = BIF_NEWDIALOGSTYLE; + browseinfo.hwndOwner = parent; + + selecteditem = SHBrowseForFolder(&browseinfo); + if (!selecteditem) + { + iupAttribSetStr(ih, "VALUE", NULL); + iupAttribSetStr(ih, "STATUS", "-1"); + } + else + { + SHGetPathFromIDList(selecteditem, buffer); + iupAttribStoreStr(ih, "VALUE", buffer); + iupAttribSetStr(ih, "STATUS", "0"); + } + + iupAttribSetStr(ih, "FILEEXIST", NULL); + iupAttribSetStr(ih, "FILTERUSED", NULL); +} + +/************************************************************************************************/ + +static UINT_PTR CALLBACK winFileDlgSimpleHook(HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam) +{ + (void)wParam; + switch(uiMsg) + { + case WM_INITDIALOG: + { + OPENFILENAME* openfilename = (OPENFILENAME*)lParam; + Ihandle* ih = (Ihandle*)openfilename->lCustData; + ih->handle = GetParent(hWnd); + iupDialogUpdatePosition(ih); + ih->handle = NULL; /* reset handle */ + SetWindowLongPtr(hWnd, DWLP_USER, (LONG_PTR)ih); + break; + } + case WM_DESTROY: + { + Ihandle* ih = (Ihandle*)GetWindowLongPtr(hWnd, DWLP_USER); + IFnss cb = (IFnss)IupGetCallback(ih, "FILE_CB"); + if (cb) cb(ih, NULL, "FINISH"); + break; + } + case WM_NOTIFY: + { + LPOFNOTIFY pofn = (LPOFNOTIFY)lParam; + Ihandle* ih = (Ihandle*)pofn->lpOFN->lCustData; + switch (pofn->hdr.code) + { + case CDN_INITDONE: + { + IFnss cb = (IFnss)IupGetCallback(ih, "FILE_CB"); + if (cb) cb(ih, NULL, "INIT"); + break; + } + case CDN_FILEOK: + case CDN_SELCHANGE: + { + IFnss cb = (IFnss)IupGetCallback(ih, "FILE_CB"); + if (cb) + { + char* filename = iupStrGetMemory(MAX_FILENAME_SIZE); + if (CommDlg_OpenSave_GetFilePath(GetParent(hWnd), filename, MAX_FILENAME_SIZE) <= MAX_FILENAME_SIZE) + { + int ret; + char* file_msg; + + if (!iupdrvIsFile(filename)) + break; + + if (pofn->hdr.code == CDN_FILEOK) + file_msg = "OK"; + else + file_msg = "SELECT"; + + ret = cb(ih, filename, file_msg); + if (pofn->hdr.code == CDN_FILEOK && ret == IUP_IGNORE) + { + SetWindowLongPtr(hWnd, DWLP_MSGRESULT, 1L); + return 1; /* will refuse the file */ + } + } + } + break; + } + case CDN_HELP: + { + Icallback cb = (Icallback) IupGetCallback(ih, "HELP_CB"); + if (cb && cb(ih) == IUP_CLOSE) + EndDialog(GetParent(hWnd), IDCANCEL); + break; + } + } + break; + } + } + return 0; +} + +static void winFileDlgSetPreviewCanvasPos(HWND hWnd, HWND hWndPreview) +{ + int height, width, ypos, xpos; + RECT rect, dlgrect; + HWND hWndFileList = GetDlgItem(GetParent(hWnd), 0x0471); + HWND hWndFileCombo = GetDlgItem(GetParent(hWnd), 0x047C); + + /* GetWindowRect return screen coordinates, must convert to parent's client coordinates */ + GetWindowRect(hWnd, &dlgrect); + + GetWindowRect(hWndPreview, &rect); + ypos = rect.top - dlgrect.top; /* keep the same vertical position, at first time this is 0 */ + height = rect.bottom-rect.top; /* keep the same height */ + + GetWindowRect(hWndFileList, &rect); + xpos = rect.left - dlgrect.left; /* horizontally align with file list at left */ + + GetWindowRect(hWndFileCombo, &rect); + width = (rect.right - dlgrect.left) - xpos; /* set size to align with file combo at right */ + + /* also position the child window that contains the template, must have room for the preview canvas */ + if (ypos) /* first time does nothing */ + SetWindowPos(hWnd, HWND_BOTTOM, 0, 0, (rect.right - dlgrect.left), (dlgrect.bottom - dlgrect.top), SWP_NOMOVE|SWP_NOZORDER); + + SetWindowPos(hWndPreview, HWND_TOP, xpos, ypos, width, height, SWP_NOZORDER); +} + +static void winFileDlgUpdatePreviewGLCanvas(Ihandle* ih) +{ + Ihandle* glcanvas = IupGetAttributeHandle(ih, "PREVIEWGLCANVAS"); + if (glcanvas) + { + iupAttribSetStr(glcanvas, "HWND", iupAttribGet(ih, "HWND")); + glcanvas->iclass->Map(glcanvas); + } +} + +static UINT_PTR CALLBACK winFileDlgPreviewHook(HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam) +{ + /* hWnd here is a handle to the child window that contains the template, + NOT the file dialog. Only the preview canvas is a child of this window. */ + + switch(uiMsg) + { + case WM_INITDIALOG: + { + OPENFILENAME* openfilename = (OPENFILENAME*)lParam; + Ihandle* ih = (Ihandle*)openfilename->lCustData; + HWND hWndPreview = GetDlgItem(hWnd, IUP_PREVIEWCANVAS); + + ih->handle = GetParent(hWnd); + iupDialogUpdatePosition(ih); + ih->handle = NULL; /* reset handle */ + + if (hWndPreview) + { + RECT rect; + + winFileDlgSetPreviewCanvasPos(hWnd, hWndPreview); + + GetClientRect(hWndPreview, &rect); + iupAttribSetInt(ih, "PREVIEWWIDTH", rect.right - rect.left); + iupAttribSetInt(ih, "PREVIEWHEIGHT", rect.bottom - rect.top); + } + SetWindowLongPtr(hWnd, DWLP_USER, (LONG_PTR)ih); + iupAttribSetStr(ih, "WID", (char*)hWndPreview); + iupAttribSetStr(ih, "HWND", (char*)hWndPreview); + winFileDlgUpdatePreviewGLCanvas(ih); + break; + } + case WM_DRAWITEM: + { + if (wParam == IUP_PREVIEWCANVAS) + { + LPDRAWITEMSTRUCT lpDrawItem = (LPDRAWITEMSTRUCT)lParam; + Ihandle* ih = (Ihandle*)GetWindowLongPtr(hWnd, DWLP_USER); + IFnss cb = (IFnss)IupGetCallback(ih, "FILE_CB"); + char* filename = iupStrGetMemory(MAX_FILENAME_SIZE); + iupAttribSetStr(ih, "PREVIEWDC", (char*)lpDrawItem->hDC); + if (CommDlg_OpenSave_GetFilePath(GetParent(hWnd), filename, MAX_FILENAME_SIZE) <= MAX_FILENAME_SIZE) + { + if (iupdrvIsFile(filename)) + cb(ih, filename, "PAINT"); + else + cb(ih, NULL, "PAINT"); + } + else + cb(ih, NULL, "PAINT"); + iupAttribSetStr(ih, "PREVIEWDC", NULL); + } + break; + } + case WM_SIZE: + { + HWND hWndPreview = GetDlgItem(hWnd, IUP_PREVIEWCANVAS); + if (hWndPreview) + { + Ihandle* ih = (Ihandle*)GetWindowLongPtr(hWnd, DWLP_USER); + RECT rect; + + winFileDlgSetPreviewCanvasPos(hWnd, hWndPreview); + + GetClientRect(hWndPreview, &rect); + iupAttribSetInt(ih, "PREVIEWWIDTH", rect.right-rect.left); + + RedrawWindow(hWndPreview, NULL, NULL, RDW_INVALIDATE|RDW_UPDATENOW); + } + break; + } + case WM_DESTROY: + { + Ihandle* ih = (Ihandle*)GetWindowLongPtr(hWnd, DWLP_USER); + IFnss cb = (IFnss)IupGetCallback(ih, "FILE_CB"); + cb(ih, NULL, "FINISH"); + break; + } + case WM_NOTIFY: + { + LPOFNOTIFY pofn = (LPOFNOTIFY)lParam; + Ihandle* ih = (Ihandle*)pofn->lpOFN->lCustData; + IFnss cb = (IFnss)IupGetCallback(ih, "FILE_CB"); + switch (pofn->hdr.code) + { + case CDN_INITDONE: + { + HWND hWndPreview = GetDlgItem(hWnd, IUP_PREVIEWCANVAS); + cb(ih, NULL, "INIT"); + if (hWndPreview) RedrawWindow(hWndPreview, NULL, NULL, RDW_INVALIDATE|RDW_UPDATENOW); + break; + } + case CDN_FILEOK: + case CDN_SELCHANGE: + { + HWND hWndPreview = GetDlgItem(hWnd, IUP_PREVIEWCANVAS); + char* filename = iupStrGetMemory(MAX_FILENAME_SIZE); + if (CommDlg_OpenSave_GetFilePath(GetParent(hWnd), filename, MAX_FILENAME_SIZE) <= MAX_FILENAME_SIZE) + { + int ret; + char* file_msg; + + if (!iupdrvIsFile(filename)) + break; + + if (pofn->hdr.code == CDN_FILEOK) + file_msg = "OK"; + else + file_msg = "SELECT"; + + ret = cb(ih, filename, file_msg); + if (pofn->hdr.code == CDN_FILEOK && ret == IUP_IGNORE) + { + SetWindowLongPtr(hWnd, DWLP_MSGRESULT, 1L); + return 1; /* will refuse the file */ + } + } + if (pofn->hdr.code == CDN_SELCHANGE && hWndPreview) + RedrawWindow(hWndPreview, NULL, NULL, RDW_INVALIDATE|RDW_UPDATENOW); + break; + } + case CDN_HELP: + { + Icallback cb = (Icallback) IupGetCallback(ih, "HELP_CB"); + if (cb && cb(ih) == IUP_CLOSE) + EndDialog(GetParent(hWnd), IDCANCEL); + break; + } + } + break; + } + } + return 0; +} + +static char* winFileDlgStrReplaceSeparator(const char* name) +{ + int i=0; + char* buffer = (char*)malloc(strlen(name)+2); + + /* replace symbols "|" by terminator "\0" */ + + while (*name) + { + buffer[i] = *name; + + if (buffer[i] == '|') + buffer[i] = 0; + + i++; + name++; + } + + buffer[i] = 0; + buffer[i+1] = 0; /* additional 0 at the end */ + return buffer; +} + +static int winFileDlgPopup(Ihandle *ih, int x, int y) +{ + InativeHandle* parent = iupDialogGetNativeParent(ih); + OPENFILENAME openfilename; + int result, dialogtype; + char *value; + + iupAttribSetInt(ih, "_IUPDLG_X", x); /* used in iupDialogUpdatePosition */ + iupAttribSetInt(ih, "_IUPDLG_Y", y); + + value = iupAttribGetStr(ih, "DIALOGTYPE"); + if (iupStrEqualNoCase(value, "SAVE")) + dialogtype = IUP_DIALOGSAVE; + else if (iupStrEqualNoCase(value, "DIR")) + dialogtype = IUP_DIALOGDIR; + else + dialogtype = IUP_DIALOGOPEN; + + if (dialogtype == IUP_DIALOGDIR) + { + winFileDlgGetFolder(ih); + return IUP_NOERROR; + } + + if (!parent) + parent = GetActiveWindow(); + + ZeroMemory(&openfilename, sizeof(OPENFILENAME)); + openfilename.lStructSize = sizeof(OPENFILENAME); + openfilename.hwndOwner = parent; + + value = iupAttribGet(ih, "EXTFILTER"); + if (value) + { + int index; + openfilename.lpstrFilter = winFileDlgStrReplaceSeparator(value); + + value = iupAttribGet(ih, "FILTERUSED"); + if (iupStrToInt(value, &index)) + openfilename.nFilterIndex = index; + else + openfilename.nFilterIndex = 1; + } + else + { + value = iupAttribGet(ih, "FILTER"); + if (value) + { + int sz1, sz2; + char* info = iupAttribGet(ih, "FILTERINFO"); + if (!info) + info = value; + + /* concat FILTERINFO+FILTER */ + sz1 = strlen(info)+1; + sz2 = strlen(value)+1; + openfilename.lpstrFilter = (char*)malloc(sz1+sz2+1); + + memcpy((char*)openfilename.lpstrFilter, info, sz1); + memcpy((char*)openfilename.lpstrFilter+sz1, value, sz2); + ((char*)openfilename.lpstrFilter)[sz1+sz2] = 0; /* additional 0 at the end */ + openfilename.nFilterIndex = 1; + } + } + + openfilename.lpstrFile = (char*)malloc(MAX_FILENAME_SIZE+1); + value = iupAttribGet(ih, "FILE"); + if (value) + { + strncpy(openfilename.lpstrFile, value, MAX_FILENAME_SIZE); + winFileDlgStrReplacePathSlash(openfilename.lpstrFile); + } + else + openfilename.lpstrFile[0] = 0; + + openfilename.nMaxFile = MAX_FILENAME_SIZE; + + openfilename.lpstrInitialDir = iupStrDup(iupAttribGet(ih, "DIRECTORY")); + if (openfilename.lpstrInitialDir) + winFileDlgStrReplacePathSlash((char*)openfilename.lpstrInitialDir); + + openfilename.lpstrTitle = iupAttribGet(ih, "TITLE"); + openfilename.Flags = OFN_PATHMUSTEXIST | OFN_HIDEREADONLY; + + if (!iupAttribGetBoolean(ih, "NOOVERWRITEPROMPT")) + openfilename.Flags |= OFN_OVERWRITEPROMPT; + + if (iupAttribGetBoolean(ih, "SHOWHIDDEN")) + openfilename.Flags |= OFN_FORCESHOWHIDDEN; + + value = iupAttribGet(ih, "ALLOWNEW"); + if (!value) + { + if (dialogtype == IUP_DIALOGSAVE) + value = "YES"; + else + value = "NO"; + } + if (iupStrBoolean(value)) + openfilename.Flags |= OFN_CREATEPROMPT; + else + openfilename.Flags |= OFN_FILEMUSTEXIST; + + if (iupAttribGetBoolean(ih, "NOCHANGEDIR")) + openfilename.Flags |= OFN_NOCHANGEDIR; + + if (iupAttribGetBoolean(ih, "MULTIPLEFILES")) + openfilename.Flags |= OFN_ALLOWMULTISELECT; + + openfilename.lpfnHook = winFileDlgSimpleHook; + openfilename.Flags |= OFN_ENABLEHOOK | OFN_EXPLORER | OFN_ENABLESIZING; + openfilename.lCustData = (LPARAM)ih; + + if (iupAttribGetBoolean(ih, "SHOWPREVIEW") && IupGetCallback(ih, "FILE_CB")) + { + openfilename.Flags |= OFN_ENABLETEMPLATE; + openfilename.hInstance = iupwin_dll_hinstance? iupwin_dll_hinstance: iupwin_hinstance; + openfilename.lpTemplateName = "iupPreviewDlg"; + openfilename.lpfnHook = winFileDlgPreviewHook; + } + + if (IupGetCallback(ih, "HELP_CB")) + openfilename.Flags |= OFN_SHOWHELP; + + if (dialogtype == IUP_DIALOGOPEN) + result = GetOpenFileName(&openfilename); + else + result = GetSaveFileName(&openfilename); + + if (result) + { + if (iupAttribGetBoolean(ih, "MULTIPLEFILES")) + { + int i = 0; + + /* If there is more than one file, replace terminator by the separator */ + if (openfilename.lpstrFile && openfilename.lpstrFile[openfilename.nFileOffset-1] == 0 && openfilename.nFileOffset>0) + { + while (openfilename.lpstrFile[i] != 0 || openfilename.lpstrFile[i+1] != 0) + { + if (openfilename.lpstrFile[i]==0) + openfilename.lpstrFile[i] = '|'; + i++; + } + openfilename.lpstrFile[i] = '|'; + } + + iupAttribSetStr(ih, "STATUS", "0"); + iupAttribSetStr(ih, "FILEEXIST", NULL); + } + else + { + if (iupdrvIsFile(openfilename.lpstrFile)) /* check if file exists */ + { + iupAttribSetStr(ih, "FILEEXIST", "YES"); + iupAttribSetStr(ih, "STATUS", "0"); + } + else + { + iupAttribSetStr(ih, "FILEEXIST", "NO"); + iupAttribSetStr(ih, "STATUS", "1"); + } + } + + iupAttribStoreStr(ih, "VALUE", openfilename.lpstrFile); + iupAttribSetInt(ih, "FILTERUSED", (int)openfilename.nFilterIndex); + } + else + { + iupAttribSetStr(ih, "FILTERUSED", NULL); + iupAttribSetStr(ih, "VALUE", NULL); + iupAttribSetStr(ih, "FILEEXIST", NULL); + iupAttribSetStr(ih, "STATUS", "-1"); + } + + if (openfilename.lpstrFilter) free((char*)openfilename.lpstrFilter); + if (openfilename.lpstrInitialDir) free((char*)openfilename.lpstrInitialDir); + if (openfilename.lpstrFile) free(openfilename.lpstrFile); + + return IUP_NOERROR; +} + +void iupdrvFileDlgInitClass(Iclass* ic) +{ + ic->DlgPopup = winFileDlgPopup; + + /* IupFileDialog Windows and GTK Only */ + iupClassRegisterAttribute(ic, "EXTFILTER", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT); + iupClassRegisterAttribute(ic, "FILTERINFO", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT); + iupClassRegisterAttribute(ic, "FILTERUSED", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT); + iupClassRegisterAttribute(ic, "MULTIPLEFILES", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT); +} |