/* ---------------------------------------------------------------------
* CbDropdownVScrollHook
* Scroll bar mouse hook
* ---------------------------------------------------------------------
*/
static void
CbDropdownVScrollHook(void* w, int sbcode, int pos)
{
CUIWINDOW* win = (CUIWINDOW*) w;
CUIRECT rc;
int sbpos, range;
CUI_USE_ARG(pos);
WindowGetClientRect(win, &rc);
sbpos = WindowGetVScrollPos(win);
range = WindowGetVScrollRange(win);
switch(sbcode)
{
case SB_LINEUP:
if (sbpos > 0)
{
WindowSetVScrollPos(win, sbpos - 1);
WindowInvalidate(win);
}
break;
case SB_LINEDOWN:
if (sbpos < range)
{
WindowSetVScrollPos(win, sbpos + 1);
WindowInvalidate(win);
}
break;
case SB_PAGEUP:
if (sbpos > 0)
{
sbpos -= (rc.H - 1);
sbpos = (sbpos < 0) ? 0 : sbpos;
WindowSetVScrollPos(win, sbpos);
WindowInvalidate(win);
}
break;
case SB_PAGEDOWN:
if (sbpos < range)
{
sbpos += (rc.H - 1);
sbpos = (sbpos > range) ? range : sbpos;
WindowSetVScrollPos(win, sbpos);
WindowInvalidate(win);
}
break;
case SB_THUMBTRACK:
WindowInvalidate(win);
break;
}
}
/* ---------------------------------------------------------------------
* TerminalPaintHook
* Handle PAINT events by redrawing the list view control
* ---------------------------------------------------------------------
*/
static void
TerminalPaintHook(void* w)
{
CUIWINDOW* win = (CUIWINDOW*) w;
CUIRECT rc;
TERMINALDATA* data;
int yscroll;
int ypos;
int line;
data = (TERMINALDATA*) win->InstData;
if (!data) return;
WindowGetClientRect(win, &rc);
if ((rc.W <= 0)||(rc.H <= 0)) return;
yscroll = WindowGetVScrollPos(win);
ypos = 0;
line = (data->FirstLine + yscroll) % MAX_TERMLINES;
while (line != data->YCursor)
{
if (ypos < rc.H)
{
TerminalShowLine(win, ypos, line, &rc);
ypos++;
}
line = (line + 1) % MAX_TERMLINES;
}
if (ypos < rc.H)
{
TerminalShowLine(win, ypos, line, &rc);
ypos++;
}
ypos = ((data->YCursor - data->FirstLine + MAX_TERMLINES) % MAX_TERMLINES) -
yscroll;
WindowSetCursor(win, data->XCursor, ypos);
}
/* ---------------------------------------------------------------------
* CbDropdownCalcPos
* Recalculate Listbox position
* ---------------------------------------------------------------------
*/
static void
CbDropdownCalcPos(CUIWINDOW* win)
{
CUIRECT rc;
COMBOBOXDATA* data = (COMBOBOXDATA*) win->InstData;
int range;
int pos;
if (!data) return;
if (win->IsCreated)
{
WindowGetClientRect(win, &rc);
range = data->NumItems - rc.H;
if (range < 0)
{
WindowSetVScrollRange(win, 0);
WindowSetVScrollPos(win, 0);
}
else
{
WindowSetVScrollRange(win, range);
pos = WindowGetVScrollPos(win);
if (data->SelIndex < 0)
{
WindowSetVScrollPos(win, 0);
}
else if (data->SelIndex - pos >= rc.H)
{
WindowSetVScrollPos(win, data->SelIndex - rc.H + 1);
}
else if (data->SelIndex - pos < 0)
{
WindowSetVScrollPos(win, data->SelIndex);
}
}
}
}
/* ---------------------------------------------------------------------
* TerminalKeyHook
* Handle EVENT_KEY events
* ---------------------------------------------------------------------
*/
static int
TerminalKeyHook(void* w, int key)
{
CUIWINDOW* win = (CUIWINDOW*) w;
TERMINALDATA* data = (TERMINALDATA*) win->InstData;
CUIRECT rc;
int yrange;
int yscroll;
if (!data) return FALSE;
WindowGetClientRect(win, &rc);
yscroll = WindowGetVScrollPos(win);
yrange = WindowGetVScrollRange(win);
if (win->IsEnabled)
{
/* if the key is processed by the custom callback hook, we
are over and done with it, else processing continues */
if (data->PreKeyHook)
{
if (data->PreKeyHook(data->PreKeyTarget, win, key))
{
return TRUE;
}
}
switch(key)
{
case KEY_DOWN:
if (yscroll < yrange)
{
WindowSetVScrollPos(win, yscroll + 1);
WindowInvalidate(win);
TerminalCursorOnOff(win);
}
return TRUE;
case KEY_UP:
if (yscroll > 0)
{
WindowSetVScrollPos(win, yscroll - 1);
WindowInvalidate(win);
TerminalCursorOnOff(win);
}
return TRUE;
case KEY_NPAGE:
if (yscroll < yrange)
{
yscroll += (rc.H - 1);
if (yscroll > yrange)
{
yscroll = yrange;
}
WindowSetVScrollPos(win, yscroll);
WindowInvalidate(win);
TerminalCursorOnOff(win);
}
return TRUE;
case KEY_PPAGE:
if (yscroll > 0)
{
yscroll -= (rc.H - 1);
if (yscroll < 0)
{
yscroll = 0;
}
WindowSetVScrollPos(win, yscroll);
WindowInvalidate(win);
TerminalCursorOnOff(win);
}
return TRUE;
case KEY_HOME:
if (yscroll > 0)
{
WindowSetVScrollPos(win, 0);
WindowInvalidate(win);
TerminalCursorOnOff(win);
}
return TRUE;
case KEY_END:
if (yscroll < yrange)
{
WindowSetVScrollPos(win, yrange);
WindowInvalidate(win);
TerminalCursorOnOff(win);
}
return TRUE;
default:
if (data->CoProc)
{
if ((key >= KEY_SPACE) && (key <= 255))
{
wchar_t c = (wchar_t) key;
TerminalCoWrite(data->CoProc, &c, 1);
return TRUE;
}
else if (key == KEY_RETURN)
{
TerminalCoWrite(data->CoProc, _T("\n"), 1);
return TRUE;
}
}
if (data->PostKeyHook)
{
if (data->PostKeyHook(data->PostKeyTarget, win, key))
{
return TRUE;
}
}
}
}
return FALSE;
}
/* ---------------------------------------------------------------------
* CbDropdownPaintHook
* Handle PAINT events by redrawing the control
* ---------------------------------------------------------------------
*/
static void
CbDropdownPaintHook(void* w)
{
CUIWINDOW* win = (CUIWINDOW*) w;
CUIRECT rc;
COMBOBOXDATA* data;
COMBOBOXITEM* item;
int pos;
int cursor;
int index;
int len;
int x,y;
data = (COMBOBOXDATA*) win->InstData;
if (!data) return;
WindowGetClientRect(win, &rc);
if ((rc.W <= 0)||(rc.H <= 0)) return;
pos = WindowGetVScrollPos(win);
index = 0;
y = 0;
cursor = 0;
item = data->FirstItem;
while(item)
{
if ((index >= pos) && (index < pos + rc.H))
{
len = wcslen(item->ItemText);
if (index == data->SelIndex)
{
SetColor(win->Win, win->Color.SelTxtColor, win->Color.WndSelColor, TRUE);
cursor = y;
}
else
{
if (win->IsEnabled)
{
SetColor(win->Win, win->Color.WndTxtColor, win->Color.WndColor, FALSE);
}
else
{
SetColor(win->Win, win->Color.InactTxtColor, win->Color.WndColor, FALSE);
}
}
MOVEYX(win->Win, y, 0);
for (x = 0; x < rc.W; x++)
{
if ((x > 0) && (x <= len))
{
PRINTN(win->Win, &item->ItemText[x - 1], 1);
}
else
{
PRINT(win->Win, _T(" "));
}
}
y ++;
}
else if (index >= pos + rc.H)
{
break;
}
index++;
item = (COMBOBOXITEM*) item->Next;
}
WindowSetCursor(win, 0, cursor);
}
/* ---------------------------------------------------------------------
* CbDropdownMButtonHook
* Button mouse click hook
* ---------------------------------------------------------------------
*/
static void
CbDropdownMButtonHook(void* w, int x, int y, int flags)
{
CUIWINDOW* win = (CUIWINDOW*) w;
COMBOBOXDATA* data = (COMBOBOXDATA*) win->InstData;
if ((flags & BUTTON1_CLICKED) || (flags & BUTTON1_DOUBLE_CLICKED))
{
int offsy = WindowGetVScrollPos(win);
int nochange = FALSE;
y += offsy;
WindowReleaseCapture();
if ((y != data->SelIndex) && (y < data->NumItems))
{
if (CbDropdownQueryChange(win, data))
{
data->SelIndex = y;
CbDropdownUpdate(win);
CbDropdownNotifyChange(win, data);
}
else
{
nochange = TRUE;
}
}
/* only execute clicked hook, if change was not rejected
by the application */
if (!nochange)
{
if (data->SelIndex != data->CtrlSelIndex)
{
if (ComboboxQueryChange(data->Ctrl, data))
{
data->CtrlSelIndex = data->SelIndex;
ComboboxNotifyChange(data->Ctrl, data);
}
}
data->CloseKey = KEY_SPACE;
WindowClose(win, IDOK);
}
}
else if (flags & BUTTON1_PRESSED)
{
data->MouseDown = TRUE;
WindowSetCapture(win);
}
else if ((flags & BUTTON1_RELEASED) && (data->MouseDown))
{
CUIRECT rc;
int nochange = FALSE;
WindowGetClientRect(win, &rc);
data->MouseDown = FALSE;
WindowReleaseCapture();
if ((x >= rc.X) && (x < (rc.X + rc.W)) &&
(y >= rc.Y) && (y < (rc.Y + rc.H)))
{
int offsy = WindowGetVScrollPos(win);
y += offsy;
if ((y != data->SelIndex) && (y < data->NumItems))
{
CbDropdownQueryChange(win, data);
data->SelIndex = y;
CbDropdownUpdate(win);
CbDropdownNotifyChange(win, data);
}
else
{
nochange = TRUE;
}
}
if (!nochange)
{
if (data->SelIndex != data->CtrlSelIndex)
{
if (ComboboxQueryChange(data->Ctrl, data))
{
data->CtrlSelIndex = data->SelIndex;
ComboboxNotifyChange(data->Ctrl, data);
}
}
data->CloseKey = KEY_SPACE;
WindowClose(win, IDOK);
}
}
}
/* ---------------------------------------------------------------------
* ListboxMButtonHook
* Button mouse click hook
* ---------------------------------------------------------------------
*/
static void
ListboxMButtonHook(void* w, int x, int y, int flags)
{
CUIWINDOW* win = (CUIWINDOW*) w;
LISTBOXDATA* data = (LISTBOXDATA*) win->InstData;
if ((flags & BUTTON1_CLICKED) || (flags & BUTTON1_DOUBLE_CLICKED))
{
int offsy = WindowGetVScrollPos(win);
int nochange = FALSE;
y += offsy;
WindowReleaseCapture();
if ((y != data->SelIndex) && (y < data->NumItems))
{
if (ListboxQueryChange(win, data))
{
data->SelIndex = y;
ListboxUpdate(win);
ListboxNotifyChange(win, data);
}
else
{
nochange = TRUE;
}
}
/* only execute clicked hook, if change was not rejected
by the application */
if (!nochange)
{
if ((flags & BUTTON1_DOUBLE_CLICKED) &&
(data->LbClickedHook))
{
data->LbClickedHook(data->LbClickedTarget, win);
}
}
}
else if (flags & BUTTON1_PRESSED)
{
data->MouseDown = TRUE;
WindowSetCapture(win);
}
else if ((flags & BUTTON1_RELEASED) && (data->MouseDown))
{
CUIRECT rc;
WindowGetClientRect(win, &rc);
data->MouseDown = FALSE;
WindowReleaseCapture();
if ((x >= rc.X) && (x < (rc.X + rc.W)) &&
(y >= rc.Y) && (y < (rc.Y + rc.H)))
{
int offsy = WindowGetVScrollPos(win);
y += offsy;
if ((y != data->SelIndex) && (y < data->NumItems))
{
ListboxQueryChange(win, data);
data->SelIndex = y;
ListboxUpdate(win);
ListboxNotifyChange(win, data);
}
}
}
}
