557 lines
13 KiB
C++
557 lines
13 KiB
C++
// File: fmenubar.cpp
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// Provides: class FMenuBar
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#include "fapp.h"
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#include "fmenubar.h"
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//----------------------------------------------------------------------
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// class FMenuBar
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//----------------------------------------------------------------------
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// constructor and destructor
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//----------------------------------------------------------------------
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FMenuBar::FMenuBar(FWidget* parent)
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: FWindow(parent)
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, mouse_down(false)
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, selectedMenuItem()
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{
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init();
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}
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//----------------------------------------------------------------------
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FMenuBar::~FMenuBar()
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{
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if ( vmenubar != 0 )
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{
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if ( vmenubar->changes != 0 )
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delete[] vmenubar->changes;
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if ( vmenubar->text != 0 )
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delete[] vmenubar->text;
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delete vmenubar;
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}
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vmenubar = 0;
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}
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// private methods of FMenuBar
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//----------------------------------------------------------------------
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void FMenuBar::init()
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{
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xmin = ymin = 1;
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xpos = 1;
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ypos = 1;
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createArea (vmenubar);
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vmenubar->visible = true;
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// initialize geometry values
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setGeometry (1, 1, getColumnNumber(), 1, false);
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getRootWidget()->setTopPadding(1, true);
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setMenuBar(this);
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foregroundColor = wc.menu_active_fg;
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backgroundColor = wc.menu_active_bg;
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window_object = true;
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ignore_padding = true;
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unsetFocusable();
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}
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//----------------------------------------------------------------------
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void FMenuBar::menu_dimension()
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{
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int item_X = 1;
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int item_Y = 1;
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std::vector<FMenuItem*>::const_iterator end, iter;
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iter = itemlist.begin();
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end = itemlist.end();
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// find the max item width
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while ( iter != end )
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{
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uInt len = (*iter)->getTextLength();
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int item_width = int(len + 2);
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// set item geometry
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(*iter)->setGeometry (item_X, item_Y, item_width, 1, false);
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// set menu position
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if ( (*iter)->hasMenu() )
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(*iter)->getMenu()->setPos (item_X, item_Y, false);
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item_X += item_width;
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++iter;
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}
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}
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//----------------------------------------------------------------------
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bool FMenuBar::isMenu (FMenuItem* mi) const
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{
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return mi->hasMenu();
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}
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//----------------------------------------------------------------------
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int FMenuBar::getHotkeyPos (wchar_t*& src, wchar_t*& dest, uInt length)
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{
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// find hotkey position in string
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// + generate a new string without the '&'-sign
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int hotkeypos = -1;
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wchar_t* txt = src;
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for (uInt i=0; i < length; i++)
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{
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if ( (i < length) && (txt[i] == L'&') && (hotkeypos == -1) )
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{
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hotkeypos = int(i);
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i++;
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src++;
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}
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*dest++ = *src++;
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}
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return hotkeypos;
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}
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//----------------------------------------------------------------------
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void FMenuBar::draw()
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{
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xmin = ymin = 1;
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height = 1;
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xpos = 1;
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drawItems();
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}
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//----------------------------------------------------------------------
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void FMenuBar::drawItems()
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{
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std::vector<FMenuItem*>::const_iterator iter, end;
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int screenWidth;
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int x = 1;
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screenWidth = getColumnNumber();
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width = screenWidth;
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ypos = 1;
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if ( itemlist.empty() )
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return;
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setUpdateVTerm(false);
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gotoxy (1,1);
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if ( isMonochron() )
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setReverse(true);
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iter = itemlist.begin();
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end = itemlist.end();
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while ( iter != end )
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{
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wchar_t* src;
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wchar_t* dest;
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wchar_t* item_text;
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FString txt;
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uInt txt_length;
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int hotkeypos, to_char;
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bool is_Active, is_Selected, is_NoUnderline;
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is_Active = (*iter)->isActivated();
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is_Selected = (*iter)->isSelected();
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is_NoUnderline = (((*iter)->getFlags() & NO_UNDERLINE) != 0);
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if ( is_Active )
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{
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if ( is_Selected )
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{
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if ( isMonochron() )
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setReverse(false);
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foregroundColor = wc.menu_active_focus_fg;
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backgroundColor = wc.menu_active_focus_bg;
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}
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else
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{
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foregroundColor = wc.menu_active_fg;
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backgroundColor = wc.menu_active_bg;
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}
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}
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else
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{
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foregroundColor = wc.menu_inactive_fg;
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backgroundColor = wc.menu_inactive_bg;
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}
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setColor (foregroundColor, backgroundColor);
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x++;
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print (vmenubar, ' ');
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txt = (*iter)->getText();
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txt_length = uInt(txt.getLength());
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item_text = new wchar_t[txt_length+1]();
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src = const_cast<wchar_t*>(txt.wc_str());
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dest = const_cast<wchar_t*>(item_text);
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if ( x-1 <= screenWidth )
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to_char = int(txt_length);
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else
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to_char = int(txt_length) - (screenWidth-x-1);
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hotkeypos = getHotkeyPos (src, dest, txt_length);
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if ( hotkeypos != -1 )
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{
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txt_length--;
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to_char--;
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}
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x += int(txt_length);
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for (int z=0; z < to_char; z++)
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{
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if ( ! iswprint(wint_t(item_text[z])) )
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item_text[z] = L' ';
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if ( (z == hotkeypos) && is_Active && ! is_Selected )
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{
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setColor (wc.menu_hotkey_fg, wc.menu_hotkey_bg);
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if ( ! is_NoUnderline )
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setUnderline();
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print (vmenubar, item_text[z]);
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if ( ! is_NoUnderline )
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unsetUnderline();
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setColor (foregroundColor, backgroundColor);
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}
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else
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print (vmenubar, item_text[z]);
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}
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if ( x > screenWidth )
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{
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print (vmenubar, txt.left(uInt(int(txt_length)+screenWidth-x-1)));
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print (vmenubar, "..");
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}
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else
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{
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x++;
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print (vmenubar, ' ');
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}
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setColor (wc.menu_active_fg, wc.menu_active_bg);
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if ( isMonochron() && is_Active && is_Selected )
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setReverse(true);
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delete[] item_text;
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++iter;
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}
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for (; x <= screenWidth; x++)
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print (vmenubar, ' ');
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if ( isMonochron() )
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setReverse(false);
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setUpdateVTerm(true);
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}
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//----------------------------------------------------------------------
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void FMenuBar::adjustSize()
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{
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xmin = ymin = 1;
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height = 1;
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xpos = 1;
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width = getColumnNumber();
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ypos = 1;
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FWidget::adjustSize();
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}
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// public methods of FMenuBar
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//----------------------------------------------------------------------
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void FMenuBar::onMouseDown (FMouseEvent* ev)
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{
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if ( ev->getButton() != LeftButton )
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{
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mouse_down = false;
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if ( ! itemlist.empty() )
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{
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std::vector<FMenuItem*>::const_iterator iter, end;
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iter = itemlist.begin();
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end = itemlist.end();
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while ( iter != end )
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{
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(*iter)->unsetSelected();
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if ( selectedMenuItem == *iter )
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selectedMenuItem = 0;
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++iter;
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}
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}
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redraw();
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return;
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}
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if ( mouse_down )
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return;
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mouse_down = true;
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if ( ! isActiveWindow() )
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setActiveWindow(this);
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if ( ! itemlist.empty() )
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{
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std::vector<FMenuItem*>::const_iterator iter, end;
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int mouse_x, mouse_y;
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bool focus_changed = false;
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iter = itemlist.begin();
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end = itemlist.end();
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mouse_x = ev->getX();
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mouse_y = ev->getY();
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//FMessageBox::info (this, "Info", FString().sprintf("local(%d,%d) global(%d,%d)", ev->getX(),ev->getY(),ev->getGlobalX(), ev->getGlobalY()));
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// #include "fmessagebox.h"
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while ( iter != end )
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{
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int x1, x2;
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x1 = (*iter)->getX();
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x2 = (*iter)->getX() + (*iter)->getWidth() - 1;
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if ( mouse_x >= x1
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&& mouse_x <= x2
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&& mouse_y == 1 )
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{
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if ( (*iter)->isActivated() && ! (*iter)->isSelected() )
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{
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(*iter)->setSelected();
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selectedMenuItem = *iter;
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focus_changed = true;
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}
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if ( (*iter)->hasMenu() )
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{
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FMenu* menu = (*iter)->getMenu();
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if ( menu->hasSelectedListItem() )
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{
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menu->unselectItemInList();
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menu->redraw();
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}
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}
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}
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else
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{
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if ( mouse_y == 1
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&& (*iter)->isActivated()
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&& (*iter)->isSelected() )
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{
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(*iter)->unsetSelected();
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if ( selectedMenuItem == *iter )
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selectedMenuItem = 0;
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focus_changed = true;
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}
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}
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++iter;
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}
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if ( focus_changed )
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redraw();
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}
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}
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//----------------------------------------------------------------------
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void FMenuBar::onMouseUp (FMouseEvent* ev)
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{
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if ( ev->getButton() != LeftButton )
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return;
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if ( mouse_down )
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{
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mouse_down = false;
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if ( ! itemlist.empty() )
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{
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std::vector<FMenuItem*>::const_iterator iter, end;
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int mouse_x, mouse_y;
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iter = itemlist.begin();
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end = itemlist.end();
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mouse_x = ev->getX();
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mouse_y = ev->getY();
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while ( iter != end )
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{
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int x1, x2;
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x1 = (*iter)->getX();
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x2 = (*iter)->getX() + (*iter)->getWidth() - 1;
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if ( mouse_x >= x1
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&& mouse_x <= x2
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&& mouse_y == 1
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&& (*iter)->isActivated()
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&& (*iter)->isSelected() )
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{
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if ( (*iter)->hasMenu() )
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{
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FMenu* menu = (*iter)->getMenu();
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if ( ! menu->hasSelectedListItem() )
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{
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menu->selectFirstItemInList();
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menu->redraw();
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}
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}
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else
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{
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(*iter)->unsetSelected();
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if ( selectedMenuItem == *iter )
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selectedMenuItem = 0;
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redraw();
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(*iter)->processClicked();
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}
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}
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++iter;
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}
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}
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}
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}
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//----------------------------------------------------------------------
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void FMenuBar::onMouseMove (FMouseEvent* ev)
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{
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if ( ev->getButton() != LeftButton )
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return;
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if ( ! isActiveWindow() )
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setActiveWindow(this);
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if ( mouse_down && ! itemlist.empty() )
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{
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std::vector<FMenuItem*>::const_iterator iter, end;
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int mouse_x, mouse_y;
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bool focus_changed = false;
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iter = itemlist.begin();
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end = itemlist.end();
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mouse_x = ev->getX();
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mouse_y = ev->getY();
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while ( iter != end )
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{
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int x1, x2;
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x1 = (*iter)->getX();
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x2 = (*iter)->getX() + (*iter)->getWidth() - 1;
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if ( mouse_x >= x1
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&& mouse_x <= x2
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&& mouse_y == 1 )
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{
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if ( (*iter)->isActivated() && ! (*iter)->isSelected() )
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{
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(*iter)->setSelected();
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selectedMenuItem = *iter;
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focus_changed = true;
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}
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if ( (*iter)->hasMenu() )
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{
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FMenu* menu = (*iter)->getMenu();
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if ( menu->hasSelectedListItem() )
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{
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menu->unselectItemInList();
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menu->redraw();
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}
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}
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}
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else
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{
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if ( getGeometryGlobal().contains(ev->getGlobalPos())
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&& (*iter)->isActivated()
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&& (*iter)->isSelected() )
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{
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(*iter)->unsetSelected();
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if ( selectedMenuItem == *iter )
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selectedMenuItem = 0;
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focus_changed = true;
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}
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else if ( hasSelectedMenuItem() && selectedMenuItem->hasMenu() )
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{
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FMenu* menu = selectedMenuItem->getMenu();
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const FRect& menu_geometry = menu->getGeometryGlobal();
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if ( menu_geometry.contains(ev->getGlobalPos()) )
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{
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const FPoint& g = ev->getGlobalPos();
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const FPoint& p = menu->globalToLocalPos(g);
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int b = ev->getButton();
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ev = new FMouseEvent (MouseMove_Event, p, g, b);
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setClickedWidget(menu);
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menu->onMouseDown(ev);
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}
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}
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}
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++iter;
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}
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if ( focus_changed )
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redraw();
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}
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}
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//----------------------------------------------------------------------
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void FMenuBar::hide()
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{
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int fg, bg, screenWidth;
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char* blank;
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FWindow::hide();
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fg = wc.term_fg;
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bg = wc.term_bg;
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setColor (fg, bg);
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screenWidth = getColumnNumber();
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blank = new char[screenWidth+1];
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memset(blank, ' ', uLong(screenWidth));
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blank[screenWidth] = '\0';
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gotoxy (1,1);
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print (vmenubar, blank);
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delete[] blank;
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}
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//----------------------------------------------------------------------
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void FMenuBar::setGeometry (int xx, int yy, int ww, int hh, bool adjust)
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{
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int old_width = width;
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int old_height = height;
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FWidget::setGeometry (xx, yy, ww, hh, adjust);
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if ( vmenubar && (width != old_width || height != old_height) )
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resizeArea (vmenubar);
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}
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//----------------------------------------------------------------------
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void FMenuBar::cb_item_activated (FWidget* widget, void*)
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{
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FMenuItem* menuitem = static_cast<FMenuItem*>(widget);
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if ( menuitem->hasMenu() )
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{
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FMenu* menu = menuitem->getMenu();
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if ( ! menu->isVisible() )
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{
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menu->setVisible();
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menu->show();
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raiseWindow(menu);
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menu->redraw();
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}
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updateTerminal();
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flush_out();
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}
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}
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//----------------------------------------------------------------------
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void FMenuBar::cb_item_deactivated (FWidget* widget, void*)
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{
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FMenuItem* menuitem = static_cast<FMenuItem*>(widget);
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if ( menuitem->hasMenu() )
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{
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FMenu* menu = menuitem->getMenu();
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if ( menu->isVisible() )
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menu->hide();
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restoreVTerm (menu->getGeometryGlobalShadow());
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updateTerminal();
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flush_out();
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}
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}
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