X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c0ed460c2e7802793d591c84f3cfdbff159c5549..2356708db31b737c6eae53c2316b642aa5a2e68d:/src/msw/button.cpp?ds=inline diff --git a/src/msw/button.cpp b/src/msw/button.cpp index 79f81ffaaa..307fad45d9 100644 --- a/src/msw/button.cpp +++ b/src/msw/button.cpp @@ -6,194 +6,227 @@ // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- #ifdef __GNUG__ -#pragma implementation "button.h" + #pragma implementation "button.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #ifndef WX_PRECOMP -#include "wx/button.h" + #include "wx/button.h" + #include "wx/brush.h" + #include "wx/panel.h" + #include "wx/bmpbuttn.h" #endif #include "wx/msw/private.h" +// ---------------------------------------------------------------------------- +// macros +// ---------------------------------------------------------------------------- + #if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl) + IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl) #endif +// this macro tries to adjust the default button height to a reasonable value +// using the char height as the base #define BUTTON_HEIGHT_FROM_CHAR_HEIGHT(cy) (11*EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)/10) -// Buttons - -bool wxButton::MSWCommand(WXUINT param, WXWORD id) +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// creation/destruction +// ---------------------------------------------------------------------------- + +bool wxButton::Create(wxWindow *parent, + wxWindowID id, + const wxString& label, + const wxPoint& pos, + const wxSize& size, + long style, + const wxValidator& validator, + const wxString& name) { - if (param == BN_CLICKED || (param == 1)) // 1 for accelerator - { - wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, id); - event.SetEventObject(this); - ProcessCommand(event); - return TRUE; - } - else return FALSE; -} + if ( !CreateBase(parent, id, pos, size, style, validator, name) ) + return FALSE; -bool wxButton::Create(wxWindow *parent, wxWindowID id, const wxString& label, - const wxPoint& pos, - const wxSize& size, long style, - const wxValidator& validator, - const wxString& name) -{ - SetName(name); - SetValidator(validator); - - parent->AddChild((wxButton *)this); - m_backgroundColour = parent->GetBackgroundColour() ; - m_foregroundColour = parent->GetForegroundColour() ; - - m_windowStyle = (long&)style; - - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; - - if (id == -1) - m_windowId = NewControlId(); - else - m_windowId = id; - - DWORD exStyle = MakeExtendedStyle(m_windowStyle); - HWND wx_button = - CreateWindowEx(exStyle, "BUTTON", label, BS_PUSHBUTTON | WS_TABSTOP | WS_CHILD, - 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, - wxGetInstance(), NULL); - -#if CTL3D -// if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS)) -// Ctl3dSubclassCtl(wx_button); -#endif + SetValidator(validator); + + parent->AddChild((wxButton *)this); - m_hWnd = (WXHWND)wx_button; + m_backgroundColour = parent->GetBackgroundColour() ; + m_foregroundColour = parent->GetForegroundColour() ; - // Subclass again for purposes of dialog editing mode - SubclassWin((WXHWND)wx_button); + m_hWnd = (WXHWND)CreateWindowEx + ( + MakeExtendedStyle(m_windowStyle), + _T("BUTTON"), + label, + WS_VISIBLE | WS_TABSTOP | WS_CHILD, + 0, 0, 0, 0, + GetWinHwnd(parent), + (HMENU)m_windowId, + wxGetInstance(), + NULL + ); - SetFont(parent->GetFont()); + // Subclass again for purposes of dialog editing mode + SubclassWin(m_hWnd); - SetSize(x, y, width, height); - ShowWindow(wx_button, SW_SHOW); + SetFont(parent->GetFont()); - return TRUE; + SetSize(pos.x, pos.y, size.x, size.y); + + return TRUE; } -void wxButton::SetSize(int x, int y, int width, int height, int sizeFlags) +wxButton::~wxButton() { - int currentX, currentY; - GetPosition(¤tX, ¤tY); - int x1 = x; - int y1 = y; - if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) - x1 = currentX; - if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) - y1 = currentY; - - AdjustForParentClientOrigin(x1, y1, sizeFlags); - - int actualWidth = width; - int actualHeight = height; - int ww, hh; - GetSize(&ww, &hh); - - int current_width; - int cyf; - char buf[300]; - GetWindowText((HWND) GetHWND(), buf, 300); - GetTextExtent(buf, ¤t_width, &cyf,NULL,NULL,& GetFont()); - - // If we're prepared to use the existing width, then... - if (width == -1 && ((sizeFlags & wxSIZE_AUTO_WIDTH) != wxSIZE_AUTO_WIDTH)) - actualWidth = ww; - else if (width == -1) - { - int cx; - int cy; - wxGetCharSize(GetHWND(), &cx, &cy,& GetFont()); - actualWidth = (int)(current_width + 3*cx) ; - } - - // If we're prepared to use the existing height, then... - if (height == -1 && ((sizeFlags & wxSIZE_AUTO_HEIGHT) != wxSIZE_AUTO_HEIGHT)) - actualHeight = hh; - else if (height == -1) - { - actualHeight = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(cyf); - } - - MoveWindow((HWND) GetHWND(), x1, y1, actualWidth, actualHeight, TRUE); + wxPanel *panel = wxDynamicCast(GetParent(), wxPanel); + if ( panel ) + { + if ( panel->GetDefaultItem() == this ) + { + // don't leave the panel with invalid default item + panel->SetDefaultItem(NULL); + } + } } -void wxButton::SetDefault(void) +// ---------------------------------------------------------------------------- +// size management including autosizing +// ---------------------------------------------------------------------------- + +wxSize wxButton::DoGetBestSize() { - wxWindow *parent = (wxWindow *)GetParent(); - if (parent) - parent->SetDefaultItem(this); + wxString label = wxGetWindowText(GetHWND()); + int wBtn; + GetTextExtent(label, &wBtn, NULL); + + int wChar, hChar; + wxGetCharSize(GetHWND(), &wChar, &hChar, &GetFont()); - if (parent) - { - SendMessage((HWND)parent->GetHWND(), DM_SETDEFID, m_windowId, 0L); - } + // add a margin - the button is wider than just its label + wBtn += 3*wChar; - SendMessage((HWND)GetHWND(), BM_SETSTYLE, BS_DEFPUSHBUTTON, 1L); + // the button height is proportional to the height of the font used + int hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hChar); + + return wxSize(wBtn, hBtn); } -wxString wxButton::GetLabel(void) const +/* static */ +wxSize wxButton::GetDefaultSize() { - GetWindowText((HWND) GetHWND(), wxBuffer, 300); - return wxString(wxBuffer); + // the base unit is the height of the system GUI font + int wChar, hChar; + wxGetCharSize(0, &wChar, &hChar, NULL); + + // the button height is proportional to the height of the font used + int hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hChar); + + // and the width/height ration is 75/23 + return wxSize((75 * hBtn) / 23, hBtn); } -void wxButton::SetLabel(const wxString& label) +// ---------------------------------------------------------------------------- +// set this button as the default one in its panel +// ---------------------------------------------------------------------------- + +void wxButton::SetDefault() { - SetWindowText((HWND) GetHWND(), (const char *) label); + wxWindow *parent = GetParent(); + wxButton *btnOldDefault = NULL; + wxPanel *panel = wxDynamicCast(parent, wxPanel); + if ( panel ) + { + btnOldDefault = panel->GetDefaultItem(); + panel->SetDefaultItem(this); + } + + if ( parent ) + { + SendMessage(GetWinHwnd(parent), DM_SETDEFID, m_windowId, 0L); + } + + // this doesn't work with bitmap buttons because it also removes the + // "ownerdrawn" style... + if ( btnOldDefault && !wxDynamicCast(btnOldDefault, wxBitmapButton) ) + { + // remove the BS_DEFPUSHBUTTON style from the other button + long style = GetWindowLong(GetHwndOf(btnOldDefault), GWL_STYLE); + style &= ~BS_DEFPUSHBUTTON; + SendMessage(GetHwndOf(btnOldDefault), BM_SETSTYLE, style, 1L); + } + + // set this button as the default + long style = GetWindowLong(GetHwnd(), GWL_STYLE); + style |= BS_DEFPUSHBUTTON; + SendMessage(GetHwnd(), BM_SETSTYLE, style, 1L); } -WXHBRUSH wxButton::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, - WXUINT message, WXWPARAM wParam, WXLPARAM lParam) +// ---------------------------------------------------------------------------- +// helpers +// ---------------------------------------------------------------------------- + +bool wxButton::SendClickEvent() { -/* - WXHBRUSH hBrush = (WXHBRUSH) MSWDefWindowProc(message, wParam, lParam); -// ::SetTextColor((HDC) pDC, GetSysColor(COLOR_BTNTEXT)); - ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), - GetForegroundColour().Blue())); - - return hBrush; -*/ - // This doesn't in fact seem to make any difference at all - buttons are always - // the same colour. - ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); - ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue())); + wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, GetId()); + event.SetEventObject(this); - wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID); + return ProcessCommand(event); +} - // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush - // has a zero usage count. - // NOT NOW; CHANGED. -// backgroundBrush->RealizeResource(); - return (WXHBRUSH) backgroundBrush->GetResourceHandle(); +void wxButton::Command(wxCommandEvent & event) +{ + ProcessCommand(event); } -void wxButton::Command (wxCommandEvent & event) +// ---------------------------------------------------------------------------- +// event/message handlers +// ---------------------------------------------------------------------------- + +bool wxButton::MSWCommand(WXUINT param, WXWORD id) { - ProcessCommand (event); + bool processed = FALSE; + switch ( param ) + { + case 1: // 1 for accelerator + case BN_CLICKED: + processed = SendClickEvent(); + break; + } + + return processed; } +WXHBRUSH wxButton::OnCtlColor(WXHDC pDC, + WXHWND pWnd, + WXUINT nCtlColor, + WXUINT message, + WXWPARAM wParam, + WXLPARAM lParam) +{ + wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID); + + return (WXHBRUSH) backgroundBrush->GetResourceHandle(); +}