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reactos/rosapps/dflat32/normal.c
Hervé Poussineau 45c69b6adb RmRemove warnings 
svn path=/trunk/; revision=17609
2005-09-02 21:13:10 +00:00

1085 lines
31 KiB
C
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/* ------------- normal.c ------------ */
#include "dflat.h"
#ifdef INCLUDE_MULTI_WINDOWS
static void PaintOverLappers(DFWINDOW wnd);
static void PaintUnderLappers(DFWINDOW wnd);
#endif
static BOOL InsideWindow(DFWINDOW, int, int);
static void TerminateMoveSize(void);
static void SaveBorder(DFRECT);
static void RestoreBorder(DFRECT);
static void GetVideoBuffer(DFWINDOW);
static void PutVideoBuffer(DFWINDOW);
#ifdef INCLUDE_MINIMIZE
static DFRECT PositionIcon(DFWINDOW);
#endif
static void dragborder(DFWINDOW, int, int);
static void sizeborder(DFWINDOW, int, int);
static int px = -1, py = -1;
static int diff;
static struct DfWindow dwnd = {DF_DUMMY, NULL, DfNormalProc,
{{-1},{-1},{-1},{-1}}};
static PCHAR_INFO Bsave;
static int Bht, Bwd;
BOOL DfWindowMoving;
BOOL DfWindowSizing;
/* -------- array of class definitions -------- */
DFCLASSDEFS DfClassDefs[] = {
#undef DfClassDef
#define DfClassDef(c,b,p,a) {b,p,a},
#include "classes.h"
};
DFWINDOW HiddenWindow;
/* --------- DFM_CREATE_WINDOW Message ---------- */
static void CreateWindowMsg(DFWINDOW wnd)
{
DfAppendWindow(wnd);
// DfClearAttribute(wnd, DF_VSCROLLBAR | DF_HSCROLLBAR);
if (DfTestAttribute(wnd, DF_SAVESELF) && DfIsVisible(wnd))
GetVideoBuffer(wnd);
}
/* --------- DFM_SHOW_WINDOW Message ---------- */
static void ShowWindowMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
if (DfGetParent(wnd) == NULL || DfIsVisible(DfGetParent(wnd)))
{
DFWINDOW cwnd;
if (DfTestAttribute(wnd, DF_SAVESELF) && wnd->videosave == NULL)
GetVideoBuffer(wnd);
DfSetVisible(wnd);
DfSendMessage(wnd, DFM_PAINT, 0, TRUE);
DfSendMessage(wnd, DFM_BORDER, 0, 0);
/* --- show the children of this window --- */
cwnd = DfFirstWindow(wnd);
while (cwnd != NULL)
{
if (cwnd->condition != DF_ISCLOSING)
DfSendMessage(cwnd, DFM_SHOW_WINDOW, p1, p2);
cwnd = DfNextWindow(cwnd);
}
}
}
/* --------- HIDE_WINDOW Message ---------- */
static void HideWindowMsg(DFWINDOW wnd)
{
if (DfIsVisible(wnd))
{
DfClearVisible(wnd);
/* --- paint what this window covered --- */
if (DfTestAttribute(wnd, DF_SAVESELF))
PutVideoBuffer(wnd);
#ifdef INCLUDE_MULTI_WINDOWS
else
PaintOverLappers(wnd);
#endif
}
}
/* --------- DFM_KEYBOARD Message ---------- */
static BOOL KeyboardMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
if (DfWindowMoving || DfWindowSizing) {
/* -- move or size a window with keyboard -- */
int x, y;
x=DfWindowMoving?DfGetLeft(&dwnd):DfGetRight(&dwnd);
y=DfWindowMoving?DfGetTop(&dwnd):DfGetBottom(&dwnd);
switch ((int)p1) {
case DF_ESC:
TerminateMoveSize();
return TRUE;
case DF_UP:
if (y)
--y;
break;
case DF_DN:
if (y < DfGetScreenHeight()-1)
y++;
break;
case DF_FWD:
if (x < DfGetScreenWidth()-1)
x++;
break;
case DF_BS:
if (x)
--x;
break;
case '\r':
DfSendMessage(wnd, DFM_BUTTON_RELEASED,x,y);
default:
return TRUE;
}
/* -- use the mouse functions to move/size - */
DfSendMessage(wnd, MOUSE_MOVED, x, y);
return TRUE;
}
switch ((int)p1)
{
case DF_F1:
DfSendMessage(wnd, DFM_COMMAND, DF_ID_HELP, 0);
return TRUE;
case ' ':
if ((int)p2 & DF_ALTKEY)
if (DfTestAttribute(wnd, DF_HASTITLEBAR))
if (DfTestAttribute(wnd, DF_CONTROLBOX))
DfBuildSystemMenu(wnd);
return TRUE;
case DF_CTRL_F4:
if (DfTestAttribute(wnd, DF_CONTROLBOX))
{
DfSendMessage(wnd, DFM_CLOSE_WINDOW, 0, 0);
DfSkipApplicationControls();
return TRUE;
}
break;
default:
break;
}
return FALSE;
}
/* --------- COMMAND Message ---------- */
static void CommandMsg(DFWINDOW wnd, DF_PARAM p1)
{
switch ((int)p1) {
case DF_ID_HELP:
DfDisplayHelp(wnd,DfClassNames[DfGetClass(wnd)]);
break;
#ifdef INCLUDE_RESTORE
case DF_ID_SYSRESTORE:
DfSendMessage(wnd, DFM_RESTORE, 0, 0);
break;
#endif
case DF_ID_SYSMOVE:
DfSendMessage(wnd, DFM_CAPTURE_MOUSE, TRUE,
(DF_PARAM) &dwnd);
DfSendMessage(wnd, DFM_CAPTURE_KEYBOARD, TRUE,
(DF_PARAM) &dwnd);
DfWindowMoving = TRUE;
dragborder(wnd, DfGetLeft(wnd), DfGetTop(wnd));
break;
case DF_ID_SYSSIZE:
DfSendMessage(wnd, DFM_CAPTURE_MOUSE, TRUE,
(DF_PARAM) &dwnd);
DfSendMessage(wnd, DFM_CAPTURE_KEYBOARD, TRUE,
(DF_PARAM) &dwnd);
DfWindowSizing = TRUE;
dragborder(wnd, DfGetLeft(wnd), DfGetTop(wnd));
break;
#ifdef INCLUDE_MINIMIZE
case DF_ID_SYSMINIMIZE:
DfSendMessage(wnd, DFM_MINIMIZE, 0, 0);
break;
#endif
#ifdef INCLUDE_MAXIMIZE
case DF_ID_SYSMAXIMIZE:
DfSendMessage(wnd, DFM_MAXIMIZE, 0, 0);
break;
#endif
case DF_ID_SYSCLOSE:
DfSendMessage(wnd, DFM_CLOSE_WINDOW, 0, 0);
DfSkipApplicationControls();
break;
default:
break;
}
}
/* --------- DFM_SETFOCUS Message ---------- */
static void SetFocusMsg(DFWINDOW wnd, DF_PARAM p1)
{
DFRECT rc = {0,0,0,0};
if (p1 && wnd != NULL && DfInFocus != wnd)
{
DFWINDOW this, thispar;
DFWINDOW that = NULL, thatpar = NULL;
DFWINDOW cwnd = wnd, fwnd = DfGetParent(wnd);
/* ---- post focus in ancestors ---- */
while (fwnd != NULL)
{
fwnd->childfocus = cwnd;
cwnd = fwnd;
fwnd = DfGetParent(fwnd);
}
/* ---- de-post focus in self and children ---- */
fwnd = wnd;
while (fwnd != NULL)
{
cwnd = fwnd->childfocus;
fwnd->childfocus = NULL;
fwnd = cwnd;
}
this = wnd;
that = thatpar = DfInFocus;
/* ---- find common ancestor of prev focus and this window --- */
while (thatpar != NULL)
{
thispar = wnd;
while (thispar != NULL)
{
if (this == DfCaptureMouse || this == DfCaptureKeyboard)
{
/* ---- don't repaint if this window has capture ---- */
that = thatpar = NULL;
break;
}
if (thispar == thatpar)
{
/* ---- don't repaint if DF_SAVESELF window had focus ---- */
if (this != that && DfTestAttribute(that, DF_SAVESELF))
that = thatpar = NULL;
break;
}
this = thispar;
thispar = DfGetParent(thispar);
}
if (thispar != NULL)
break;
that = thatpar;
thatpar = DfGetParent(thatpar);
}
if (DfInFocus != NULL)
DfSendMessage(DfInFocus, DFM_SETFOCUS, FALSE, 0);
DfInFocus = wnd;
if (that != NULL && DfIsVisible(wnd))
{
rc = DfSubRectangle(DfWindowRect(that), DfWindowRect(this));
if (!DfValidRect(rc))
{
if (DfApplicationWindow != NULL)
{
DFWINDOW fwnd = DfFirstWindow(DfApplicationWindow);
while (fwnd != NULL)
{
if (!DfIsAncestor(wnd, fwnd))
{
rc = DfSubRectangle(DfWindowRect(wnd),DfWindowRect(fwnd));
if (DfValidRect(rc))
break;
}
fwnd = DfNextWindow(fwnd);
}
}
}
}
if (that != NULL && !DfValidRect(rc) && DfIsVisible(wnd))
{
DfSendMessage(wnd, DFM_BORDER, 0, 0);
this = NULL;
}
DfReFocus(wnd);
if (this != NULL)
DfSendMessage(this, DFM_SHOW_WINDOW, 0, 0);
}
else if (!p1 && DfInFocus == wnd)
{
/* clearing focus */
DfInFocus = NULL;
DfSendMessage(wnd, DFM_BORDER, 0, 0);
}
}
/* --------- DOUBLE_CLICK Message ---------- */
static void DoubleClickMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
int mx = (int) p1 - DfGetLeft(wnd);
int my = (int) p2 - DfGetTop(wnd);
if (!DfWindowSizing && !DfWindowMoving) {
if (DfHitControlBox(wnd, mx, my)) {
DfPostMessage(wnd, DFM_CLOSE_WINDOW, 0, 0);
DfSkipApplicationControls();
}
}
}
/* --------- DFM_LEFT_BUTTON Message ---------- */
static void LeftButtonMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
int mx = (int) p1 - DfGetLeft(wnd);
int my = (int) p2 - DfGetTop(wnd);
if (DfWindowSizing || DfWindowMoving)
return;
if (DfHitControlBox(wnd, mx, my)) {
DfBuildSystemMenu(wnd);
return;
}
if (my == 0 && mx > -1 && mx < DfWindowWidth(wnd)) {
/* ---------- hit the top border -------- */
if (DfTestAttribute(wnd, DF_MINMAXBOX) &&
DfTestAttribute(wnd, DF_HASTITLEBAR)) {
if (mx == DfWindowWidth(wnd)-2) {
if (wnd->condition != DF_SRESTORED)
/* --- hit the restore box --- */
DfSendMessage(wnd, DFM_RESTORE, 0, 0);
#ifdef INCLUDE_MAXIMIZE
else
/* --- hit the maximize box --- */
DfSendMessage(wnd, DFM_MAXIMIZE, 0, 0);
#endif
return;
}
#ifdef INCLUDE_MINIMIZE
if (mx == DfWindowWidth(wnd)-3) {
/* --- hit the minimize box --- */
if (wnd->condition != DF_ISMINIMIZED)
DfSendMessage(wnd, DFM_MINIMIZE, 0, 0);
return;
}
#endif
}
#ifdef INCLUDE_MAXIMIZE
if (wnd->condition == DF_ISMAXIMIZED)
return;
#endif
if (DfTestAttribute(wnd, DF_MOVEABLE)) {
DfWindowMoving = TRUE;
px = mx;
py = my;
diff = (int) mx;
DfSendMessage(wnd, DFM_CAPTURE_MOUSE, TRUE,
(DF_PARAM) &dwnd);
dragborder(wnd, DfGetLeft(wnd), DfGetTop(wnd));
}
return;
}
if (mx == DfWindowWidth(wnd)-1 &&
my == DfWindowHeight(wnd)-1) {
/* ------- hit the resize corner ------- */
#ifdef INCLUDE_MINIMIZE
if (wnd->condition == DF_ISMINIMIZED)
return;
#endif
if (!DfTestAttribute(wnd, DF_SIZEABLE))
return;
#ifdef INCLUDE_MAXIMIZE
if (wnd->condition == DF_ISMAXIMIZED) {
if (DfGetParent(wnd) == NULL)
return;
if (DfTestAttribute(DfGetParent(wnd),DF_HASBORDER))
return;
/* ----- resizing a maximized window over a
borderless parent ----- */
wnd = DfGetParent(wnd);
}
#endif
DfWindowSizing = TRUE;
DfSendMessage(wnd, DFM_CAPTURE_MOUSE,
TRUE, (DF_PARAM) &dwnd);
dragborder(wnd, DfGetLeft(wnd), DfGetTop(wnd));
}
}
/* --------- MOUSE_MOVED Message ---------- */
static BOOL MouseMovedMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
if (DfWindowMoving) {
int leftmost = 0, topmost = 0,
bottommost = DfGetScreenHeight()-2,
rightmost = DfGetScreenWidth()-2;
int x = (int) p1 - diff;
int y = (int) p2;
if (DfGetParent(wnd) != NULL &&
!DfTestAttribute(wnd, DF_NOCLIP)) {
DFWINDOW wnd1 = DfGetParent(wnd);
topmost = DfGetClientTop(wnd1);
leftmost = DfGetClientLeft(wnd1);
bottommost = DfGetClientBottom(wnd1);
rightmost = DfGetClientRight(wnd1);
}
if (x < leftmost || x > rightmost ||
y < topmost || y > bottommost) {
x = max(x, leftmost);
x = min(x, rightmost);
y = max(y, topmost);
y = min(y, bottommost);
}
if (x != px || y != py) {
px = x;
py = y;
dragborder(wnd, x, y);
}
return TRUE;
}
if (DfWindowSizing) {
sizeborder(wnd, (int) p1, (int) p2);
return TRUE;
}
return FALSE;
}
#ifdef INCLUDE_MAXIMIZE
/* --------- DFM_MAXIMIZE Message ---------- */
static void MaximizeMsg(DFWINDOW wnd)
{
DFRECT rc = {0, 0, 0, 0};
DFRECT holdrc;
holdrc = wnd->RestoredRC;
rc.rt = DfGetScreenWidth()-1;
rc.bt = DfGetScreenHeight()-1;
if (DfGetParent(wnd))
rc = DfClientRect(DfGetParent(wnd));
wnd->oldcondition = wnd->condition;
wnd->condition = DF_ISMAXIMIZED;
DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
DfSendMessage(wnd, DFM_MOVE,
DfRectLeft(rc), DfRectTop(rc));
DfSendMessage(wnd, DFM_DFM_SIZE,
DfRectRight(rc), DfRectBottom(rc));
if (wnd->restored_attrib == 0)
wnd->restored_attrib = wnd->attrib;
DfClearAttribute(wnd, DF_SHADOW);
DfSendMessage(wnd, DFM_SHOW_WINDOW, 0, 0);
wnd->RestoredRC = holdrc;
}
#endif
#ifdef INCLUDE_MINIMIZE
/* --------- DFM_MINIMIZE Message ---------- */
static void MinimizeMsg(DFWINDOW wnd)
{
DFRECT rc;
DFRECT holdrc;
holdrc = wnd->RestoredRC;
rc = PositionIcon(wnd);
wnd->oldcondition = wnd->condition;
wnd->condition = DF_ISMINIMIZED;
DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
DfSendMessage(wnd, DFM_MOVE,
DfRectLeft(rc), DfRectTop(rc));
DfSendMessage(wnd, DFM_DFM_SIZE,
DfRectRight(rc), DfRectBottom(rc));
if (wnd == DfInFocus)
DfSetNextFocus();
if (wnd->restored_attrib == 0)
wnd->restored_attrib = wnd->attrib;
DfClearAttribute(wnd,
DF_SHADOW | DF_SIZEABLE | DF_HASMENUBAR |
DF_VSCROLLBAR | DF_HSCROLLBAR);
DfSendMessage(wnd, DFM_SHOW_WINDOW, 0, 0);
wnd->RestoredRC = holdrc;
}
#endif
#ifdef INCLUDE_RESTORE
/* --------- DFM_RESTORE Message ---------- */
static void RestoreMsg(DFWINDOW wnd)
{
DFRECT holdrc;
holdrc = wnd->RestoredRC;
wnd->oldcondition = wnd->condition;
wnd->condition = DF_SRESTORED;
DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
wnd->attrib = wnd->restored_attrib;
wnd->restored_attrib = 0;
DfSendMessage(wnd, DFM_MOVE, wnd->RestoredRC.lf,
wnd->RestoredRC.tp);
wnd->RestoredRC = holdrc;
DfSendMessage(wnd, DFM_DFM_SIZE, wnd->RestoredRC.rt,
wnd->RestoredRC.bt);
if (wnd != DfInFocus)
DfSendMessage(wnd, DFM_SETFOCUS, TRUE, 0);
else
DfSendMessage(wnd, DFM_SHOW_WINDOW, 0, 0);
}
#endif
/* --------- DFM_MOVE Message ---------- */
static void MoveMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
DFWINDOW cwnd;
BOOL wasVisible = DfIsVisible(wnd);
int xdif = (int) p1 - wnd->rc.lf;
int ydif = (int) p2 - wnd->rc.tp;
if (xdif == 0 && ydif == 0)
return;
if (wasVisible)
DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
wnd->rc.lf = (int) p1;
wnd->rc.tp = (int) p2;
wnd->rc.rt = DfGetLeft(wnd)+DfWindowWidth(wnd)-1;
wnd->rc.bt = DfGetTop(wnd)+DfWindowHeight(wnd)-1;
if (wnd->condition == DF_SRESTORED)
wnd->RestoredRC = wnd->rc;
cwnd = DfFirstWindow(wnd);
while (cwnd != NULL) {
DfSendMessage(cwnd, DFM_MOVE, cwnd->rc.lf+xdif, cwnd->rc.tp+ydif);
cwnd = DfNextWindow(cwnd);
}
if (wasVisible)
DfSendMessage(wnd, DFM_SHOW_WINDOW, 0, 0);
}
/* --------- SIZE Message ---------- */
static void SizeMsg(DFWINDOW wnd, DF_PARAM p1, DF_PARAM p2)
{
BOOL wasVisible = DfIsVisible(wnd);
DFWINDOW cwnd;
DFRECT rc;
int xdif = (int) p1 - wnd->rc.rt;
int ydif = (int) p2 - wnd->rc.bt;
if (xdif == 0 && ydif == 0)
return;
if (wasVisible)
DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
wnd->rc.rt = (int) p1;
wnd->rc.bt = (int) p2;
wnd->ht = DfGetBottom(wnd)-DfGetTop(wnd)+1;
wnd->wd = DfGetRight(wnd)-DfGetLeft(wnd)+1;
if (wnd->condition == DF_SRESTORED)
wnd->RestoredRC = DfWindowRect(wnd);
#ifdef INCLUDE_MAXIMIZE
rc = DfClientRect(wnd);
cwnd = DfFirstWindow(wnd);
while (cwnd != NULL) {
if (cwnd->condition == DF_ISMAXIMIZED)
DfSendMessage(cwnd, DFM_DFM_SIZE, DfRectRight(rc), DfRectBottom(rc));
cwnd = DfNextWindow(cwnd);
}
#endif
if (wasVisible)
DfSendMessage(wnd, DFM_SHOW_WINDOW, 0, 0);
}
/* --------- DFM_CLOSE_WINDOW Message ---------- */
static void CloseWindowMsg(DFWINDOW wnd)
{
DFWINDOW cwnd;
wnd->condition = DF_ISCLOSING;
if (wnd->PrevMouse != NULL)
DfSendMessage(wnd, DFM_RELEASE_MOUSE, 0, 0);
if (wnd->PrevKeyboard != NULL)
DfSendMessage(wnd, DFM_RELEASE_KEYBOARD, 0, 0);
/* ----------- hide this window ------------ */
DfSendMessage(wnd, DFM_HIDE_WINDOW, 0, 0);
/* --- close the children of this window --- */
cwnd = DfLastWindow(wnd);
while (cwnd != NULL) {
if (DfInFocus == cwnd)
DfInFocus = wnd;
DfSendMessage(cwnd,DFM_CLOSE_WINDOW,0,0);
cwnd = DfLastWindow(wnd);
}
/* --- change focus if this window had it -- */
if (wnd == DfInFocus)
DfSetPrevFocus();
/* -- free memory allocated to this window - */
if (wnd->title != NULL)
free(wnd->title);
if (wnd->videosave != NULL)
free(wnd->videosave);
/* -- remove window from parent's list of children -- */
DfRemoveWindow(wnd);
if (wnd == DfInFocus)
DfInFocus = NULL;
free(wnd);
}
/* ---- Window-processing module for DF_NORMAL window class ---- */
int DfNormalProc(DFWINDOW wnd, DFMESSAGE msg, DF_PARAM p1, DF_PARAM p2)
{
switch (msg) {
case DFM_CREATE_WINDOW:
CreateWindowMsg(wnd);
break;
case DFM_SHOW_WINDOW:
ShowWindowMsg(wnd, p1, p2);
break;
case DFM_HIDE_WINDOW:
HideWindowMsg(wnd);
break;
case DFM_DISPLAY_HELP:
DfDisplayHelp(wnd, (char *)p1);
break;
case DFM_INSIDE_WINDOW:
return InsideWindow(wnd, (int) p1, (int) p2);
case DFM_KEYBOARD:
if (KeyboardMsg(wnd, p1, p2))
return TRUE;
/* ------- fall through ------- */
case DFM_ADDSTATUS:
case DFM_SHIFT_CHANGED:
if (DfGetParent(wnd) != NULL)
DfPostMessage(DfGetParent(wnd), msg, p1, p2);
break;
case DFM_PAINT:
if (DfIsVisible(wnd))
DfClearWindow(wnd, (DFRECT *)p1, ' ');
break;
case DFM_BORDER:
if (DfIsVisible(wnd))
{
if (DfTestAttribute(wnd, DF_HASBORDER))
DfRepaintBorder(wnd, (DFRECT *)p1);
else if (DfTestAttribute(wnd, DF_HASTITLEBAR))
DfDisplayTitle(wnd, (DFRECT *)p1);
}
break;
case DFM_COMMAND:
CommandMsg(wnd, p1);
break;
case DFM_SETFOCUS:
SetFocusMsg(wnd, p1);
break;
case DFM_DOUBLE_CLICK:
DoubleClickMsg(wnd, p1, p2);
break;
case DFM_LEFT_BUTTON:
LeftButtonMsg(wnd, p1, p2);
break;
case MOUSE_MOVED:
if (MouseMovedMsg(wnd, p1, p2))
return TRUE;
break;
case DFM_BUTTON_RELEASED:
if (DfWindowMoving || DfWindowSizing)
{
if (DfWindowMoving)
DfPostMessage(wnd,DFM_MOVE,dwnd.rc.lf,dwnd.rc.tp);
else
DfPostMessage(wnd, DFM_DFM_SIZE,dwnd.rc.rt,dwnd.rc.bt);
TerminateMoveSize();
}
break;
#ifdef INCLUDE_MAXIMIZE
case DFM_MAXIMIZE:
if (wnd->condition != DF_ISMAXIMIZED)
MaximizeMsg(wnd);
break;
#endif
#ifdef INCLUDE_MINIMIZE
case DFM_MINIMIZE:
if (wnd->condition != DF_ISMINIMIZED)
MinimizeMsg(wnd);
break;
#endif
#ifdef INCLUDE_RESTORE
case DFM_RESTORE:
if (wnd->condition != DF_SRESTORED) {
#ifdef INCLUDE_MAXIMIZE
if (wnd->oldcondition == DF_ISMAXIMIZED)
DfSendMessage(wnd, DFM_MAXIMIZE, 0, 0);
else
#endif
RestoreMsg(wnd);
}
break;
#endif
case DFM_MOVE:
MoveMsg(wnd, p1, p2);
break;
case DFM_DFM_SIZE: {
SizeMsg(wnd, p1, p2);
break;
}
case DFM_CLOSE_WINDOW:
CloseWindowMsg(wnd);
break;
default:
break;
}
return TRUE;
}
#ifdef INCLUDE_MINIMIZE
/* ---- compute lower right icon space in a rectangle ---- */
static DFRECT LowerRight(DFRECT prc)
{
DFRECT rc;
DfRectLeft(rc) = DfRectRight(prc) - DF_ICONWIDTH;
DfRectTop(rc) = DfRectBottom(prc) - DF_ICONHEIGHT;
DfRectRight(rc) = DfRectLeft(rc)+DF_ICONWIDTH-1;
DfRectBottom(rc) = DfRectTop(rc)+DF_ICONHEIGHT-1;
return rc;
}
/* ----- compute a position for a minimized window icon ---- */
static DFRECT PositionIcon(DFWINDOW wnd)
{
DFWINDOW pwnd = DfGetParent(wnd);
DFRECT rc;
DfRectLeft(rc) = DfGetScreenWidth()-DF_ICONWIDTH;
DfRectTop(rc) = DfGetScreenHeight()-DF_ICONHEIGHT;
DfRectRight(rc) = DfGetScreenWidth()-1;
DfRectBottom(rc) = DfGetScreenHeight()-1;
if (pwnd != NULL) {
DFRECT prc = DfWindowRect(pwnd);
DFWINDOW cwnd = DfFirstWindow(pwnd);
rc = LowerRight(prc);
/* - search for icon available location - */
while (cwnd != NULL) {
if (cwnd->condition == DF_ISMINIMIZED) {
DFRECT rc1;
rc1 = DfWindowRect(cwnd);
if (DfRectLeft(rc1) == DfRectLeft(rc) &&
DfRectTop(rc1) == DfRectTop(rc)) {
DfRectLeft(rc) -= DF_ICONWIDTH;
DfRectRight(rc) -= DF_ICONWIDTH;
if (DfRectLeft(rc) < DfRectLeft(prc)+1) {
DfRectLeft(rc) =
DfRectRight(prc)-DF_ICONWIDTH;
DfRectRight(rc) =
DfRectLeft(rc)+DF_ICONWIDTH-1;
DfRectTop(rc) -= DF_ICONHEIGHT;
DfRectBottom(rc) -= DF_ICONHEIGHT;
if (DfRectTop(rc) < DfRectTop(prc)+1)
return LowerRight(prc);
}
break;
}
}
cwnd = DfNextWindow(cwnd);
}
}
return rc;
}
#endif
/* ----- terminate the move or size operation ----- */
static void TerminateMoveSize(void)
{
px = py = -1;
diff = 0;
DfSendMessage(&dwnd, DFM_RELEASE_MOUSE, TRUE, 0);
DfSendMessage(&dwnd, DFM_RELEASE_KEYBOARD, TRUE, 0);
RestoreBorder(dwnd.rc);
DfWindowMoving = DfWindowSizing = FALSE;
}
/* ---- build a dummy window border for moving or sizing --- */
static void dragborder(DFWINDOW wnd, int x, int y)
{
RestoreBorder(dwnd.rc);
/* ------- build the dummy window -------- */
dwnd.rc.lf = x;
dwnd.rc.tp = y;
dwnd.rc.rt = dwnd.rc.lf+DfWindowWidth(wnd)-1;
dwnd.rc.bt = dwnd.rc.tp+DfWindowHeight(wnd)-1;
dwnd.ht = DfWindowHeight(wnd);
dwnd.wd = DfWindowWidth(wnd);
dwnd.parent = DfGetParent(wnd);
dwnd.attrib = DF_VISIBLE | DF_HASBORDER | DF_NOCLIP;
DfInitWindowColors(&dwnd);
SaveBorder(dwnd.rc);
DfRepaintBorder(&dwnd, NULL);
}
/* ---- write the dummy window border for sizing ---- */
static void sizeborder(DFWINDOW wnd, int rt, int bt)
{
int leftmost = DfGetLeft(wnd)+10;
int topmost = DfGetTop(wnd)+3;
int bottommost = DfGetScreenHeight()-1;
int rightmost = DfGetScreenWidth()-1;
if (DfGetParent(wnd)) {
bottommost = min(bottommost,
DfGetClientBottom(DfGetParent(wnd)));
rightmost = min(rightmost,
DfGetClientRight(DfGetParent(wnd)));
}
rt = min(rt, rightmost);
bt = min(bt, bottommost);
rt = max(rt, leftmost);
bt = max(bt, topmost);
if (rt != px || bt != py)
RestoreBorder(dwnd.rc);
/* ------- change the dummy window -------- */
dwnd.ht = bt-dwnd.rc.tp+1;
dwnd.wd = rt-dwnd.rc.lf+1;
dwnd.rc.rt = rt;
dwnd.rc.bt = bt;
if (rt != px || bt != py) {
px = rt;
py = bt;
SaveBorder(dwnd.rc);
DfRepaintBorder(&dwnd, NULL);
}
}
#ifdef INCLUDE_MULTI_WINDOWS
/* ----- adjust a rectangle to include the shadow ----- */
static DFRECT adjShadow(DFWINDOW wnd)
{
DFRECT rc;
rc = wnd->rc;
if (DfTestAttribute(wnd, DF_SHADOW)) {
if (DfRectRight(rc) < DfGetScreenWidth()-1)
DfRectRight(rc)++;
if (DfRectBottom(rc) < DfGetScreenHeight()-1)
DfRectBottom(rc)++;
}
return rc;
}
/* --- repaint a rectangular subsection of a window --- */
static void PaintOverLap(DFWINDOW wnd, DFRECT rc)
{
if (DfIsVisible(wnd)) {
int isBorder, isTitle, isData;
isBorder = isTitle = FALSE;
isData = TRUE;
if (DfTestAttribute(wnd, DF_HASBORDER)) {
isBorder = DfRectLeft(rc) == 0 &&
DfRectTop(rc) < DfWindowHeight(wnd);
isBorder |= DfRectLeft(rc) < DfWindowWidth(wnd) &&
DfRectRight(rc) >= DfWindowWidth(wnd)-1 &&
DfRectTop(rc) < DfWindowHeight(wnd);
isBorder |= DfRectTop(rc) == 0 &&
DfRectLeft(rc) < DfWindowWidth(wnd);
isBorder |= DfRectTop(rc) < DfWindowHeight(wnd) &&
DfRectBottom(rc) >= DfWindowHeight(wnd)-1 &&
DfRectLeft(rc) < DfWindowWidth(wnd);
}
else if (DfTestAttribute(wnd, DF_HASTITLEBAR))
isTitle = DfRectTop(rc) == 0 &&
DfRectRight(rc) > 0 &&
DfRectLeft(rc)<DfWindowWidth(wnd)-DfBorderAdj(wnd);
if (DfRectLeft(rc) >= DfWindowWidth(wnd)-DfBorderAdj(wnd))
isData = FALSE;
if (DfRectTop(rc) >= DfWindowHeight(wnd)-DfBottomBorderAdj(wnd))
isData = FALSE;
if (DfTestAttribute(wnd, DF_HASBORDER)) {
if (DfRectRight(rc) == 0)
isData = FALSE;
if (DfRectBottom(rc) == 0)
isData = FALSE;
}
if (DfTestAttribute(wnd, DF_SHADOW))
isBorder |= DfRectRight(rc) == DfWindowWidth(wnd) ||
DfRectBottom(rc) == DfWindowHeight(wnd);
if (isData)
DfSendMessage(wnd, DFM_PAINT, (DF_PARAM) &rc, TRUE);
if (isBorder)
DfSendMessage(wnd, DFM_BORDER, (DF_PARAM) &rc, 0);
else if (isTitle)
DfDisplayTitle(wnd, &rc);
}
}
/* ------ paint the part of a window that is overlapped
by another window that is being hidden ------- */
static void PaintOver(DFWINDOW wnd)
{
DFRECT wrc, rc;
wrc = adjShadow(HiddenWindow);
rc = adjShadow(wnd);
rc = DfSubRectangle(rc, wrc);
if (DfValidRect(rc))
PaintOverLap(wnd, DfRelativeWindowRect(wnd, rc));
}
/* --- paint the overlapped parts of all children --- */
static void PaintOverChildren(DFWINDOW pwnd)
{
DFWINDOW cwnd = DfFirstWindow(pwnd);
while (cwnd != NULL) {
if (cwnd != HiddenWindow) {
PaintOver(cwnd);
PaintOverChildren(cwnd);
}
cwnd = DfNextWindow(cwnd);
}
}
/* -- recursive overlapping paint of parents -- */
static void PaintOverParents(DFWINDOW wnd)
{
DFWINDOW pwnd = DfGetParent(wnd);
if (pwnd != NULL) {
PaintOverParents(pwnd);
PaintOver(pwnd);
PaintOverChildren(pwnd);
}
}
/* - paint the parts of all windows that a window is over - */
static void PaintOverLappers(DFWINDOW wnd)
{
HiddenWindow = wnd;
PaintOverParents(wnd);
}
/* --- paint those parts of a window that are overlapped --- */
static void PaintUnderLappers(DFWINDOW wnd)
{
DFWINDOW hwnd = DfNextWindow(wnd);
while (hwnd != NULL) {
/* ------- test only at document window level ------ */
DFWINDOW pwnd = DfGetParent(hwnd);
/* if (pwnd == NULL || DfGetClass(pwnd) == DF_APPLICATION) */ {
/* ---- don't bother testing self ----- */
if (DfIsVisible(hwnd) && hwnd != wnd) {
/* --- see if other window is descendent --- */
while (pwnd != NULL) {
if (pwnd == wnd)
break;
pwnd = DfGetParent(pwnd);
}
/* ----- don't test descendent overlaps ----- */
if (pwnd == NULL) {
/* -- see if other window is ancestor --- */
pwnd = DfGetParent(wnd);
while (pwnd != NULL) {
if (pwnd == hwnd)
break;
pwnd = DfGetParent(pwnd);
}
/* --- don't test ancestor overlaps --- */
if (pwnd == NULL) {
HiddenWindow = DfGetAncestor(hwnd);
DfClearVisible(HiddenWindow);
PaintOver(wnd);
DfSetVisible(HiddenWindow);
}
}
}
}
hwnd = DfNextWindow(hwnd);
}
/* --------- repaint all children of this window
the same way ----------- */
hwnd = DfFirstWindow(wnd);
while (hwnd != NULL) {
PaintUnderLappers(hwnd);
hwnd = DfNextWindow(hwnd);
}
}
#endif /* #ifdef INCLUDE_MULTI_WINDOWS */
/* --- save video area to be used by dummy window border --- */
static void SaveBorder(DFRECT rc)
{
Bht = DfRectBottom(rc) - DfRectTop(rc) + 1;
Bwd = DfRectRight(rc) - DfRectLeft(rc) + 1;
Bsave = DfRealloc(Bsave, Bht * Bwd * sizeof(CHAR_INFO));
DfGetVideo(rc,Bsave);
}
/* ---- restore video area used by dummy window border ---- */
static void RestoreBorder(DFRECT rc)
{
if (Bsave != NULL)
{
DfStoreVideo(rc, Bsave);
free(Bsave);
Bsave = NULL;
}
}
/* ----- test if screen coordinates are in a window ---- */
static BOOL InsideWindow(DFWINDOW wnd, int x, int y)
{
DFRECT rc;
rc = DfWindowRect(wnd);
if (!DfTestAttribute(wnd, DF_NOCLIP))
{
DFWINDOW pwnd = DfGetParent(wnd);
while (pwnd != NULL)
{
rc = DfSubRectangle(rc, DfClientRect(pwnd));
pwnd = DfGetParent(pwnd);
}
}
return DfInsideRect(x, y, rc);
}
BOOL DfIsDerivedFrom(DFWINDOW wnd, DFCLASS class)
{
DFCLASS tclass = DfGetClass(wnd);
while (tclass != -1) {
if (tclass == class)
return TRUE;
tclass = (DfClassDefs[tclass].base);
}
return FALSE;
}
/* -- find the oldest document window ancestor of a window -- */
DFWINDOW DfGetAncestor(DFWINDOW wnd)
{
if (wnd != NULL) {
while (DfGetParent(wnd) != NULL) {
if (DfGetClass(DfGetParent(wnd)) == DF_APPLICATION)
break;
wnd = DfGetParent(wnd);
}
}
return wnd;
}
BOOL DfIsVisible(DFWINDOW wnd)
{
while (wnd != NULL) {
if (isHidden(wnd))
return FALSE;
wnd = DfGetParent(wnd);
}
return TRUE;
}
/* -- adjust a window's rectangle to clip it to its parent - */
static DFRECT ClipRect(DFWINDOW wnd)
{
DFRECT rc;
rc = DfWindowRect(wnd);
if (DfTestAttribute(wnd, DF_SHADOW)) {
DfRectBottom(rc)++;
DfRectRight(rc)++;
}
return DfClipRectangle(wnd, rc);
}
/* -- get the video memory that is to be used by a window -- */
static void GetVideoBuffer(DFWINDOW wnd)
{
DFRECT rc;
int ht;
int wd;
rc = ClipRect(wnd);
ht = DfRectBottom(rc) - DfRectTop(rc) + 1;
wd = DfRectRight(rc) - DfRectLeft(rc) + 1;
wnd->videosave = DfRealloc(wnd->videosave, (ht * wd * sizeof(CHAR_INFO)));
DfGetVideo(rc, wnd->videosave);
}
/* -- put the video memory that is used by a window -- */
static void PutVideoBuffer(DFWINDOW wnd)
{
if (wnd->videosave != NULL)
{
DFRECT rc;
rc = ClipRect(wnd);
DfStoreVideo(rc, wnd->videosave);
free(wnd->videosave);
wnd->videosave = NULL;
}
}
/* ------- return TRUE if awnd is an ancestor of wnd ------- */
BOOL DfIsAncestor(DFWINDOW wnd, DFWINDOW awnd)
{
while (wnd != NULL) {
if (wnd == awnd)
return TRUE;
wnd = DfGetParent(wnd);
}
return FALSE;
}
/* EOF */
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