IMAGEDLG.C
/***************************************************************************
* *
* MODULE : Imagedlg.c *
* *
* PURPOSE : Dialog functions for ImagEdit's dialogs. *
* *
* HISTORY : 3/03/89 by LR *
* *
***************************************************************************/
#include "imagedit.h"
#include "dialogs.h"
#include "iehelp.h"
#include <windowsx.h>
STATICFN BOOL NEAR NewImageOK(HWND hwnd, INT iType);
STATICFN VOID NEAR SelectImageInit(HWND hwnd);
STATICFN BOOL NEAR SelectImageOK(HWND hwnd);
/************************************************************************
* DlgBox
*
* This function basically does a DialogBox.
*
* Arguments:
* INT idDlg = Ordinal name of the dialog.
* WNDPROC lpfnDlg = Dialog procedure to use (this function will
* call Make/FreeProcInstance).
*
* Returns:
* What DialogBox returned.
*
* History:
*
************************************************************************/
INT DlgBox(
INT idDlg,
WNDPROC lpfnDlg)
{
WNDPROC lpfnDlgInst;
INT nResult;
INT idPrevDlg;
EnteringDialog(idDlg, &idPrevDlg, TRUE);
lpfnDlgInst = (WNDPROC)MakeProcInstance((FARPROC)lpfnDlg, ghInst);
nResult = DialogBox(ghInst, MAKEINTRESOURCE(idDlg),
ghwndMain, lpfnDlgInst);
FreeProcInstance(lpfnDlgInst);
EnteringDialog(idPrevDlg, NULL, FALSE);
return nResult;
}
/************************************************************************
* EnteringDialog
*
* This function enables or disables things based on whether we are
* going to show one of the editor's dialogs. It must be called
* before and after showing a dialog box.
*
* Arguments:
* INT idDlg - Ordinal name of the dialog.
* PINT pidPrevDlg - Points to where to save the id of the previous
* (current) dialog. If fEntering is FALSE, this
* is not used and should be NULL.
* BOOL fEntering - TRUE if about ready to show the dialog. FALSE if
* the dialog was just dismissed. For the FALSE case,
* the idDlg should be zero, or the id of the previous
* dialog.
*
* History:
*
************************************************************************/
VOID EnteringDialog(
INT idDlg,
PINT pidPrevDlg,
BOOL fEntering)
{
/*
* If we are entering a new dialog, save the previous dialog
* in the place specified.
*/
if (fEntering)
*pidPrevDlg = gidCurrentDlg;
gidCurrentDlg = idDlg;
if (ghwndToolbox)
EnableWindow(ghwndToolbox, !fEntering);
if (ghwndColor)
EnableWindow(ghwndColor, !fEntering);
if (ghwndView)
EnableWindow(ghwndView, !fEntering);
}
/************************************************************************
* ImageNewDialog
*
*
*
* History:
*
************************************************************************/
VOID ImageNewDialog(
INT iType)
{
switch (iType) {
case FT_ICON:
DlgBox(DID_NEWICONIMAGE, (WNDPROC)NewIconImageDlgProc);
break;
case FT_CURSOR:
DlgBox(DID_NEWCURSORIMAGE, (WNDPROC)NewCursorImageDlgProc);
break;
}
}
/************************************************************************
* ImageSelectDialog
*
*
*
* History:
*
************************************************************************/
VOID ImageSelectDialog(VOID)
{
switch (giType) {
case FT_ICON:
DlgBox(DID_SELECTICONIMAGE, (WNDPROC)SelectImageDlgProc);
break;
case FT_CURSOR:
DlgBox(DID_SELECTCURSORIMAGE, (WNDPROC)SelectImageDlgProc);
break;
}
}
/************************************************************************
* ResourceTypeDlgProc
*
* Gets from the user the type of resource image that they want
* to edit (bitmap, icon or cursor).
*
* History:
*
************************************************************************/
DIALOGPROC ResourceTypeDlgProc(
HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam)
{
INT idChecked;
switch (msg) {
case WM_INITDIALOG:
switch (giType) {
case FT_BITMAP:
idChecked = DID_RESOURCETYPEBITMAP;
break;
case FT_ICON:
idChecked = DID_RESOURCETYPEICON;
break;
case FT_CURSOR:
idChecked = DID_RESOURCETYPECURSOR;
break;
}
CheckDlgButton(hwnd, idChecked, 1);
CenterWindow(hwnd);
break;
case WM_COMMAND:
switch (GET_WM_COMMAND_ID(wParam, lParam)) {
case IDOK:
if (IsDlgButtonChecked(hwnd, DID_RESOURCETYPEBITMAP))
iNewFileType = FT_BITMAP;
else if (IsDlgButtonChecked(hwnd, DID_RESOURCETYPEICON))
iNewFileType = FT_ICON;
else
iNewFileType = FT_CURSOR;
EndDialog(hwnd, IDOK);
break;
case IDCANCEL:
EndDialog(hwnd, IDCANCEL);
break;
case IDHELP:
WinHelp(ghwndMain, gszHelpFile, HELP_CONTEXT,
HELPID_RESOURCETYPE);
break;
}
break;
default:
return FALSE;
}
return TRUE;
}
/************************************************************************
* NewIconImageDlgProc
*
*
*
* Arguments:
*
* History:
*
************************************************************************/
DIALOGPROC NewIconImageDlgProc(
HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam)
{
HWND hwndList;
INT iSel;
PDEVICE pDevice;
switch (msg) {
case WM_INITDIALOG:
hwndList = GetDlgItem(hwnd, DID_NEWIMAGELIST);
SendMessage(hwndList, LB_RESETCONTENT, 0, 0);
for (pDevice = gpIconDeviceHead; pDevice;
pDevice = pDevice->pDeviceNext) {
if (!DeviceLinkUsed(pDevice)) {
iSel = (INT)SendMessage(hwndList, LB_INSERTSTRING, (WPARAM)-1,
(LONG)(LPSTR)pDevice->szDesc);
SendMessage(hwndList, LB_SETITEMDATA, iSel,
(DWORD)(LPSTR)pDevice);
}
}
/*
* Select the first item.
*/
SendMessage(hwndList, LB_SETCURSEL, 0, 0L);
CenterWindow(hwnd);
break;
case WM_COMMAND:
switch (GET_WM_COMMAND_ID(wParam, lParam)) {
case DID_NEWIMAGELIST:
if (GET_WM_COMMAND_CMD(wParam, lParam) == LBN_DBLCLK) {
if (NewImageOK(hwnd, FT_ICON))
EndDialog(hwnd, IDOK);
}
break;
case IDOK:
if (NewImageOK(hwnd, FT_ICON))
EndDialog(hwnd, IDOK);
break;
case IDCANCEL:
EndDialog(hwnd, IDCANCEL);
break;
case IDHELP:
WinHelp(ghwndMain, gszHelpFile, HELP_CONTEXT,
HELPID_NEWICONIMAGE);
break;
}
break;
default:
return FALSE;
}
return TRUE;
}
/************************************************************************
* NewImageOK
*
* Processes the selection of a new image from the New Icon (Cursor)
* Image dialog procedures.
*
* History:
*
************************************************************************/
STATICFN BOOL NEAR NewImageOK(
HWND hwnd,
INT iType)
{
HWND hwndLB;
INT iSelect;
PDEVICE pDevice;
hwndLB = GetDlgItem(hwnd, DID_NEWIMAGELIST);
if ((iSelect = (INT)SendMessage(hwndLB, LB_GETCURSEL, 0, 0)) != LB_ERR) {
/*
* Save away the current image.
*/
ImageSave();
pDevice = (PDEVICE)SendMessage(hwndLB, LB_GETITEMDATA, iSelect, 0);
if (ImageNew(pDevice))
return TRUE;
}
return FALSE;
}
/************************************************************************
* NewCursorImageDlgProc
*
*
*
* Arguments:
*
* History:
*
************************************************************************/
DIALOGPROC NewCursorImageDlgProc(
HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam)
{
HWND hwndList;
INT iSel;
PDEVICE pDevice;
switch (msg) {
case WM_INITDIALOG:
hwndList = GetDlgItem(hwnd, DID_NEWIMAGELIST);
SendMessage(hwndList, LB_RESETCONTENT, 0, 0);
for (pDevice = gpCursorDeviceHead; pDevice;
pDevice = pDevice->pDeviceNext) {
if (!DeviceLinkUsed(pDevice)) {
iSel = (INT)SendMessage(hwndList, LB_INSERTSTRING, (WPARAM)-1,
(LONG)(LPSTR)pDevice->szDesc);
SendMessage(hwndList, LB_SETITEMDATA, iSel,
(DWORD)(LPSTR)pDevice);
}
}
/*
* Select the first item.
*/
SendMessage(hwndList, LB_SETCURSEL, 0, 0L);
CenterWindow(hwnd);
break;
case WM_COMMAND:
switch (GET_WM_COMMAND_ID(wParam, lParam)) {
case DID_NEWIMAGELIST:
if (GET_WM_COMMAND_CMD(wParam, lParam) == LBN_DBLCLK) {
if (NewImageOK(hwnd, FT_CURSOR))
EndDialog(hwnd, IDOK);
}
break;
case IDOK:
if (NewImageOK(hwnd, FT_CURSOR))
EndDialog(hwnd, IDOK);
break;
case IDCANCEL:
EndDialog(hwnd, IDCANCEL);
break;
case IDHELP:
WinHelp(ghwndMain, gszHelpFile, HELP_CONTEXT,
HELPID_NEWCURSORIMAGE);
break;
}
break;
default:
return FALSE;
}
return TRUE;
}
/************************************************************************
* SelectImageDlgProc
*
* This is the Select Image dialog procedure. This proc is used for both
* icon and cursor images.
*
* History:
*
************************************************************************/
DIALOGPROC SelectImageDlgProc(
HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam)
{
switch (msg) {
case WM_INITDIALOG:
SelectImageInit(hwnd);
return TRUE;
case WM_COMMAND:
switch (GET_WM_COMMAND_ID(wParam, lParam)) {
case DID_SELECTIMAGELIST:
if (GET_WM_COMMAND_CMD(wParam, lParam) == LBN_DBLCLK) {
if (SelectImageOK(hwnd))
EndDialog(hwnd, IDOK);
}
break;
case IDOK:
if (SelectImageOK(hwnd))
EndDialog(hwnd, IDOK);
break;
case IDCANCEL:
EndDialog(hwnd, IDCANCEL);
break;
case IDHELP:
WinHelp(ghwndMain, gszHelpFile, HELP_CONTEXT,
(giType == FT_ICON) ?
HELPID_SELECTICONIMAGE : HELPID_SELECTCURSORIMAGE);
break;
}
return TRUE;
default:
return FALSE;
}
}
/************************************************************************
* SelectImageInit
*
* Processes the WM_INITDIALOG message for the Open Image dialog
* procedure.
*
* This function fills the listbox with the names of all the current
* images for the current icon/cursor file.
*
* History:
*
************************************************************************/
STATICFN VOID NEAR SelectImageInit(
HWND hwnd)
{
HWND hwndLB;
INT i;
PIMAGEINFO pImage;
hwndLB = GetDlgItem(hwnd, DID_SELECTIMAGELIST);
for (pImage = gpImageHead; pImage; pImage = pImage->pImageNext) {
i = (INT)SendMessage(hwndLB, LB_INSERTSTRING, (WPARAM)-1,
pImage->pDevice ?
(DWORD)(LPSTR)pImage->pDevice->szDesc :
(DWORD)(LPSTR)ids(IDS_UNKNOWNIMAGEFORMAT));
SendMessage(hwndLB, LB_SETITEMDATA, i, (DWORD)(LPSTR)pImage);
}
/*
* Select the first item.
*/
SendMessage(hwndLB, LB_SETCURSEL, 0, 0L);
CenterWindow(hwnd);
}
/************************************************************************
* SelectImageOK
*
* Processes the selection of a new image from the Open Image
* dialog procedure.
*
* History:
*
************************************************************************/
STATICFN BOOL NEAR SelectImageOK(
HWND hwnd)
{
HWND hwndLB;
INT iSelect;
PIMAGEINFO pImage;
hwndLB = GetDlgItem(hwnd, DID_SELECTIMAGELIST);
if ((iSelect = (INT)SendMessage(hwndLB, LB_GETCURSEL, 0, 0)) == LB_ERR)
return FALSE;
/*
* Get a pointer to the selected image (stored in the listbox
* items data field).
*/
pImage = (PIMAGEINFO)SendMessage(hwndLB, LB_GETITEMDATA, iSelect, 0L);
return ImageOpen(pImage);
}
/************************************************************************
* BitmapSizeDlgProc
*
* Dialog that asks for the width, height and number of colors for
* a new bitmap file.
*
* The last values that the user successfully entered are remembered,
* and these values will be the defaults the next time that the
* dialog is invoked.
*
* History:
*
************************************************************************/
DIALOGPROC BitmapSizeDlgProc(
HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam)
{
static INT cxLast = DEFAULTBITMAPWIDTH;
static INT cyLast = DEFAULTBITMAPHEIGHT;
static INT nColorsLast = DEFAULTBITMAPCOLORS;
INT cx;
INT cy;
BOOL fTranslated;
INT nColors;
switch (msg) {
case WM_INITDIALOG:
SetDlgItemInt(hwnd, DID_BITMAPSIZEWIDTH, cxLast, TRUE);
SetDlgItemInt(hwnd, DID_BITMAPSIZEHEIGHT, cyLast, TRUE);
if (nColorsLast == 16)
CheckRadioButton(hwnd, DID_BITMAPSIZE2, DID_BITMAPSIZE16,
DID_BITMAPSIZE16);
else
CheckRadioButton(hwnd, DID_BITMAPSIZE2, DID_BITMAPSIZE16,
DID_BITMAPSIZE2);
CenterWindow(hwnd);
break;
case WM_COMMAND:
switch (GET_WM_COMMAND_ID(wParam, lParam)) {
case IDOK:
cx = GetDlgItemInt(hwnd, DID_BITMAPSIZEWIDTH, &fTranslated, FALSE);
if (!fTranslated) {
SetFocus(GetDlgItem(hwnd, DID_BITMAPSIZEWIDTH));
Message(MSG_ENTERANUMBER);
break;
}
cy = GetDlgItemInt(hwnd, DID_BITMAPSIZEHEIGHT, &fTranslated, FALSE);
if (!fTranslated) {
SetFocus(GetDlgItem(hwnd, DID_BITMAPSIZEHEIGHT));
Message(MSG_ENTERANUMBER);
break;
}
if (IsDlgButtonChecked(hwnd, DID_BITMAPSIZE2))
nColors = 2;
else
nColors = 16;
if (ImageNewBitmap(cx, cy, nColors)) {
cxLast = cx;
cyLast = cy;
nColorsLast = nColors;
EndDialog(hwnd, IDOK);
}
break;
case IDCANCEL:
EndDialog(hwnd, IDCANCEL);
break;
case IDHELP:
WinHelp(ghwndMain, gszHelpFile, HELP_CONTEXT,
HELPID_BITMAPSIZE);
break;
}
break;
default:
return FALSE;
}
return TRUE;
}