msg boxes now have icons
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2849 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
parent
ffdaed2fc3
commit
917b3d40f2
@ -25,7 +25,11 @@
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#include "wx/dialog.h"
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#include "wx/button.h"
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#include "wx/stattext.h"
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#include "wx/statbmp.h"
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#include "wx/layout.h"
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#include "wx/intl.h"
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#include "wx/dcclient.h"
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#include "wx/settings.h"
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#endif
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#include <stdio.h>
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@ -37,42 +41,18 @@
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#include "wx/statline.h"
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#endif
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/* Split message, using constraints to position controls */
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static wxSize wxSplitMessage2( const wxString &message, wxWindow *parent )
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{
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int y = 10;
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int w = 50;
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wxString line( _T("") );
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for (uint pos = 0; pos < message.Len(); pos++)
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{
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if (message[pos] == _T('\n'))
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{
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if (!line.IsEmpty())
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{
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wxStaticText *s1 = new wxStaticText( parent, -1, line, wxPoint(15,y) );
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wxSize size1( s1->GetSize() );
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if (size1.x > w) w = size1.x;
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line = _T("");
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}
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y += 18;
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}
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else
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{
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line += message[pos];
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}
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}
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if (!line.IsEmpty())
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{
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wxStaticText *s2 = new wxStaticText( parent, -1, line, wxPoint(15,y) );
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wxSize size2( s2->GetSize() );
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if (size2.x > w) w = size2.x;
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}
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y += 18;
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return wxSize(w+30,y);
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}
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// ----------------------------------------------------------------------------
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// icons
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// ----------------------------------------------------------------------------
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// MSW icons are in the ressources, for all other platforms - in XPM files
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#ifndef __WXMSW__
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#include "wx/generic/info.xpm"
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#include "wx/generic/question.xpm"
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#include "wx/generic/warning.xpm"
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#include "wx/generic/error.xpm"
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#endif // __WXMSW__
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#if !USE_SHARED_LIBRARY
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BEGIN_EVENT_TABLE(wxGenericMessageDialog, wxDialog)
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@ -84,85 +64,244 @@ END_EVENT_TABLE()
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IMPLEMENT_CLASS(wxGenericMessageDialog, wxDialog)
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#endif
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wxGenericMessageDialog::wxGenericMessageDialog( wxWindow *parent, const wxString& message,
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const wxString& caption, long style, const wxPoint& pos) :
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wxDialog( parent, -1, caption, pos, wxDefaultSize, wxDEFAULT_DIALOG_STYLE )
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wxGenericMessageDialog::wxGenericMessageDialog( wxWindow *parent,
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const wxString& message,
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const wxString& caption,
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long style,
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const wxPoint& pos)
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: wxDialog( parent, -1, caption, pos, wxDefaultSize, wxDEFAULT_DIALOG_STYLE )
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{
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static const int LAYOUT_X_MARGIN = 5;
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static const int LAYOUT_Y_MARGIN = 5;
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m_dialogStyle = style;
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wxBeginBusyCursor();
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wxSize message_size( wxSplitMessage2( message, this ) );
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wxLayoutConstraints *c;
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SetAutoLayout(TRUE);
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wxButton *ok = (wxButton *) NULL;
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wxButton *cancel = (wxButton *) NULL;
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wxButton *yes = (wxButton *) NULL;
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wxButton *no = (wxButton *) NULL;
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int y = message_size.y + 30;
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if (style & wxYES_NO)
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// create an icon
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enum
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{
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yes = new wxButton( this, wxID_YES, _("Yes"), wxPoint(-1,y), wxSize(80,-1) );
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m_buttons.Append( yes );
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no = new wxButton( this, wxID_NO, _("No"), wxPoint(-1,y), wxSize(80,-1) );
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m_buttons.Append( no );
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Icon_Information,
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Icon_Question,
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Icon_Warning,
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Icon_Error
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} which;
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#ifdef __WXMSW__
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static char *icons[] =
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{
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"wxICON_INFO",
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"wxICON_QUESTION",
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"wxICON_WARNING",
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"wxICON_ERROR",
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};
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#else // XPM icons
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static char **icons[] =
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{
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info,
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question,
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warning,
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error,
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};
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#endif // !XPM/XPM
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if ( style & wxICON_EXCLAMATION )
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which = Icon_Warning;
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else if ( style & wxICON_HAND )
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which = Icon_Error;
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else if ( style & wxICON_QUESTION )
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which = Icon_Question;
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else
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which = Icon_Information;
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wxStaticBitmap *icon = new wxStaticBitmap(this, -1, wxIcon(icons[which]));
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const int iconSize = icon->GetBitmap().GetWidth();
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// split the message in lines
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// --------------------------
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wxClientDC dc(this);
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dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
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wxArrayString lines;
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wxString curLine;
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long height, width, heightTextMax = 0, widthTextMax = 0;
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for ( const char *pc = message; ; pc++ ) {
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if ( *pc == '\n' || *pc == '\0' ) {
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dc.GetTextExtent(curLine, &width, &height);
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if ( width > widthTextMax )
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widthTextMax = width;
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if ( height > heightTextMax )
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heightTextMax = height;
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lines.Add(curLine);
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if ( *pc == '\n' ) {
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curLine.Empty();
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}
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else {
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// the end of string
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break;
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}
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}
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else {
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curLine += *pc;
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}
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}
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if (style & wxOK)
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// calculate the total dialog size
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enum
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{
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ok = new wxButton( this, wxID_OK, _("OK"), wxPoint(-1,y), wxSize(80,-1) );
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m_buttons.Append( ok );
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}
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Btn_Ok,
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Btn_Yes,
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Btn_No,
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Btn_Cancel,
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Btn_Max
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};
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wxButton *buttons[Btn_Max] = { NULL, NULL, NULL, NULL };
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int nDefaultBtn = -1;
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// some checks are in order...
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wxASSERT_MSG( !(style & wxOK) || !(style & wxYES_NO),
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"don't create dialog with both Yes/No and Ok buttons!" );
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wxASSERT_MSG( (style & wxOK ) || (style & wxYES_NO),
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"don't create dialog with only the Cancel button!" );
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if ( style & wxYES_NO ) {
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buttons[Btn_Yes] = new wxButton(this, wxID_YES, _("Yes"));
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buttons[Btn_No] = new wxButton(this, wxID_NO, _("No"));
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if (style & wxCANCEL)
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{
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cancel = new wxButton( this, wxID_CANCEL, _("Cancel"), wxPoint(-1,y), wxSize(80,-1) );
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m_buttons.Append( cancel );
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}
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if (ok)
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{
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ok->SetDefault();
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ok->SetFocus();
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}
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else if (yes)
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{
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if(style & wxNO_DEFAULT)
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{
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no->SetDefault();
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no->SetFocus();
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}
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nDefaultBtn = Btn_No;
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else
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{
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yes->SetDefault();
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yes->SetFocus();
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}
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nDefaultBtn = Btn_Yes;
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}
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int w = m_buttons.GetCount() * 100;
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if (message_size.x > w) w = message_size.x;
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int space = w / (m_buttons.GetCount()*2);
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int n = 0;
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wxNode *node = m_buttons.First();
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while (node)
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{
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wxWindow *win = (wxWindow*)node->Data();
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int x = (n*2+1)*space - 40 + 15;
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win->Move( x, -1 );
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node = node->Next();
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n++;
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}
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#if wxUSE_STATLINE
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(void) new wxStaticLine( this, -1, wxPoint(0,y-20), wxSize(w+30, 5) );
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#endif
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SetSize( w+30, y+40 );
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Centre( wxBOTH );
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if (style & wxOK) {
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buttons[Btn_Ok] = new wxButton(this, wxID_OK, _("OK"));
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if ( nDefaultBtn == -1 )
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nDefaultBtn = Btn_Ok;
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}
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if (style & wxCANCEL) {
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buttons[Btn_Cancel] = new wxButton(this, wxID_CANCEL, _("Cancel"));
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}
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// get the longest caption and also calc the number of buttons
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size_t nBtn, nButtons = 0;
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long widthBtnMax = 0;
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for ( nBtn = 0; nBtn < Btn_Max; nBtn++ ) {
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if ( buttons[nBtn] ) {
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nButtons++;
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dc.GetTextExtent(buttons[nBtn]->GetLabel(), &width, NULL);
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if ( width > widthBtnMax )
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widthBtnMax = width;
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}
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}
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// now we can place the buttons
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if ( widthBtnMax < 75 )
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widthBtnMax = 75;
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else
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widthBtnMax += 10;
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long heightButton = widthBtnMax*23/75;
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// *1.2 baselineskip
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heightTextMax *= 12;
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heightTextMax /= 10;
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size_t nLineCount = lines.Count();
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long widthButtonsTotal = nButtons * (widthBtnMax + LAYOUT_X_MARGIN) -
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LAYOUT_X_MARGIN;
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// the size of the dialog
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long widthDlg = wxMax(widthTextMax + iconSize + 4*LAYOUT_X_MARGIN,
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wxMax(widthButtonsTotal, width)) +
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2*LAYOUT_X_MARGIN,
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heightDlg = 8*LAYOUT_Y_MARGIN + heightButton +
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heightTextMax*(nLineCount + 1);
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// create the controls
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// -------------------
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// the icon first
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c = new wxLayoutConstraints;
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c->width.Absolute(iconSize);
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c->height.Absolute(iconSize);
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c->top.SameAs(this, wxTop, 3*LAYOUT_Y_MARGIN);
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c->left.SameAs(this, wxLeft, 2*LAYOUT_X_MARGIN);
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icon->SetConstraints(c);
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wxStaticText *text = NULL;
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for ( size_t nLine = 0; nLine < nLineCount; nLine++ ) {
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c = new wxLayoutConstraints;
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if ( text == NULL )
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c->top.SameAs(this, wxTop, 3*LAYOUT_Y_MARGIN);
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else
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c->top.Below(text);
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c->left.RightOf(icon, 2*LAYOUT_X_MARGIN);
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c->width.Absolute(widthTextMax);
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c->height.Absolute(heightTextMax);
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text = new wxStaticText(this, -1, lines[nLine]);
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text->SetConstraints(c);
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}
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// create the buttons
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wxButton *btnPrevious = (wxButton *)NULL;
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for ( nBtn = 0; nBtn < Btn_Max; nBtn++ ) {
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if ( buttons[nBtn] ) {
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c = new wxLayoutConstraints;
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if ( btnPrevious ) {
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c->left.RightOf(btnPrevious, LAYOUT_X_MARGIN);
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}
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else {
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c->left.SameAs(this, wxLeft,
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(widthDlg - widthButtonsTotal) / 2);
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}
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c->width.Absolute(widthBtnMax);
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c->top.Below(text, 4*LAYOUT_Y_MARGIN);
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c->height.Absolute(heightButton);
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buttons[nBtn]->SetConstraints(c);
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btnPrevious = buttons[nBtn];
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}
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}
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// set default button
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// ------------------
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if ( nDefaultBtn != -1 ) {
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buttons[nDefaultBtn]->SetDefault();
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buttons[nDefaultBtn]->SetFocus();
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}
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else {
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wxFAIL_MSG( "can't find default button for this dialog." );
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}
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// position the controls and the dialog itself
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// -------------------------------------------
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SetClientSize(widthDlg, heightDlg);
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// SetSizeHints() wants the size of the whole dialog, not just client size
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wxSize sizeTotal = GetSize(),
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sizeClient = GetClientSize();
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SetSizeHints(widthDlg + sizeTotal.GetWidth() - sizeClient.GetWidth(),
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heightDlg + sizeTotal.GetHeight() - sizeClient.GetHeight());
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Layout();
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Centre(wxCENTER_FRAME | wxBOTH);
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wxEndBusyCursor();
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}
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