X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f47ae6e7e93db278822870ea41c35475d7d3d198..411165f3f40f411d6feba4d13d4934f7fff6cc4f:/src/gtk1/scrolwin.cpp diff --git a/src/gtk1/scrolwin.cpp b/src/gtk1/scrolwin.cpp index d16768c30c..a072691442 100644 --- a/src/gtk1/scrolwin.cpp +++ b/src/gtk1/scrolwin.cpp @@ -2,7 +2,7 @@ // Name: gtk/scrolwin.cpp // Purpose: wxScrolledWindow implementation // Author: Julian Smart -// Modified by: +// Modified by: Ron Lee // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem @@ -31,10 +31,11 @@ #include "wx/utils.h" #include "wx/dcclient.h" -#include "wx/gtk/scrolwin.h" +#include "wx/scrolwin.h" #include "wx/panel.h" +#include "wx/sizer.h" -#include +#include "wx/gtk/private.h" #include "wx/gtk/win_gtk.h" // ---------------------------------------------------------------------------- @@ -72,7 +73,9 @@ extern bool g_isIdle; // "value_changed" from m_vAdjust //----------------------------------------------------------------------------- -static void gtk_scrolled_window_vscroll_callback( GtkAdjustment *adjust, wxScrolledWindow *win ) +static void gtk_scrolled_window_vscroll_callback( GtkAdjustment *adjust, + SCROLLBAR_CBACK_ARG + wxScrolledWindow *win ) { if (g_isIdle) wxapp_install_idle_handler(); @@ -81,14 +84,17 @@ static void gtk_scrolled_window_vscroll_callback( GtkAdjustment *adjust, wxScrol if (!win->m_hasVMT) return; - win->GtkVScroll( adjust->value ); + win->GtkVScroll( adjust->value, + GET_SCROLL_TYPE(GTK_SCROLLED_WINDOW(win->m_widget)->vscrollbar) ); } //----------------------------------------------------------------------------- // "value_changed" from m_hAdjust //----------------------------------------------------------------------------- -static void gtk_scrolled_window_hscroll_callback( GtkAdjustment *adjust, wxScrolledWindow *win ) +static void gtk_scrolled_window_hscroll_callback( GtkAdjustment *adjust, + SCROLLBAR_CBACK_ARG + wxScrolledWindow *win ) { if (g_isIdle) wxapp_install_idle_handler(); @@ -96,7 +102,8 @@ static void gtk_scrolled_window_hscroll_callback( GtkAdjustment *adjust, wxScrol if (g_blockEventsOnDrag) return; if (!win->m_hasVMT) return; - win->GtkHScroll( adjust->value ); + win->GtkHScroll( adjust->value, + GET_SCROLL_TYPE(GTK_SCROLLED_WINDOW(win->m_widget)->hscrollbar) ); } //----------------------------------------------------------------------------- @@ -111,7 +118,11 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *widget, wxapp_install_idle_handler(); g_blockEventsOnScroll = TRUE; + + // FIXME: there is no slider field any more, what was meant here? +#ifndef __WXGTK20__ win->m_isScrolling = (gdk_event->window == widget->slider); +#endif return FALSE; } @@ -191,8 +202,6 @@ void wxScrolledWindow::Init() m_yScrollingEnabled = TRUE; m_xScrollPosition = 0; m_yScrollPosition = 0; - m_xScrollLines = 0; - m_yScrollLines = 0; m_xScrollLinesPerPage = 0; m_yScrollLinesPerPage = 0; m_targetWindow = (wxWindow*) NULL; @@ -265,13 +274,13 @@ bool wxScrolledWindow::Create(wxWindow *parent, m_vAdjust->upper = 1.0; m_vAdjust->value = 0.0; m_vAdjust->step_increment = 1.0; - m_vAdjust->page_increment = 1.0; + m_vAdjust->page_increment = 2.0; gtk_signal_emit_by_name( GTK_OBJECT(m_vAdjust), "changed" ); m_hAdjust->lower = 0.0; m_hAdjust->upper = 1.0; m_hAdjust->value = 0.0; m_hAdjust->step_increment = 1.0; - m_hAdjust->page_increment = 1.0; + m_hAdjust->page_increment = 2.0; gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "changed" ); // Handlers for new scrollbar values @@ -298,7 +307,7 @@ bool wxScrolledWindow::Create(wxWindow *parent, if (m_parent) m_parent->DoAddChild( this ); - + m_focusWidget = m_wxwindow; PostCreation(); @@ -312,68 +321,96 @@ bool wxScrolledWindow::Create(wxWindow *parent, // setting scrolling parameters // ---------------------------------------------------------------------------- +void wxScrolledWindow::DoSetVirtualSize( int x, int y ) +{ + wxPanel::DoSetVirtualSize( x, y ); + AdjustScrollbars(); + +#if wxUSE_CONSTRAINTS + if (GetAutoLayout()) + Layout(); +#endif +} + /* * pixelsPerUnitX/pixelsPerUnitY: number of pixels per unit (e.g. pixels per text line) * noUnitsX/noUnitsY: : no. units per scrollbar */ -void wxScrolledWindow::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY, - int noUnitsX, int noUnitsY, - int xPos, int yPos, bool noRefresh ) +void wxScrolledWindow::SetScrollbars( int pixelsPerUnitX, int pixelsPerUnitY, + int noUnitsX, int noUnitsY, + int xPos, int yPos, bool noRefresh ) { - // Update any invalidates areas before the get moved/scrolled. - Update(); - int old_x = m_xScrollPixelsPerLine * m_xScrollPosition; int old_y = m_yScrollPixelsPerLine * m_yScrollPosition; - + m_xScrollPixelsPerLine = pixelsPerUnitX; m_yScrollPixelsPerLine = pixelsPerUnitY; - m_xScrollLines = noUnitsX; - m_yScrollLines = noUnitsY; - m_xScrollPosition = xPos; - m_yScrollPosition = yPos; - m_hAdjust->lower = 0.0; - m_hAdjust->upper = noUnitsX; - m_hAdjust->value = xPos; - m_hAdjust->step_increment = 1.0; - m_hAdjust->page_increment = 2.0; + m_hAdjust->value = m_xScrollPosition = xPos; + m_vAdjust->value = m_yScrollPosition = yPos; + + m_targetWindow->SetVirtualSizeHints( noUnitsX * pixelsPerUnitX, noUnitsY * pixelsPerUnitY ); - m_vAdjust->lower = 0.0; - m_vAdjust->upper = noUnitsY; - m_vAdjust->value = yPos; - m_vAdjust->step_increment = 1.0; - m_vAdjust->page_increment = 2.0; - - AdjustScrollbars(); - if (!noRefresh) { int new_x = m_xScrollPixelsPerLine * m_xScrollPosition; int new_y = m_yScrollPixelsPerLine * m_yScrollPosition; - - m_targetWindow->ScrollWindow( old_x-new_x, old_y-new_y ); + + m_targetWindow->ScrollWindow( old_x - new_x, old_y - new_y ); } } void wxScrolledWindow::AdjustScrollbars() { - // Update any invalidates areas before the get moved/scrolled. - Update(); - int w, h; + int vw, vh; + m_targetWindow->GetClientSize( &w, &h ); + m_targetWindow->GetVirtualSize( &vw, &vh ); if (m_xScrollPixelsPerLine == 0) + { + m_hAdjust->upper = 1.0; m_hAdjust->page_size = 1.0; + } else + { + m_hAdjust->upper = vw / m_xScrollPixelsPerLine; m_hAdjust->page_size = (w / m_xScrollPixelsPerLine); + // If the scrollbar hits the right side, move the window + // right to keep it from over extending. + + if( m_hAdjust->value + m_hAdjust->page_size > m_hAdjust->upper ) + { + if (GetChildren().GetCount() == 0) + { + m_hAdjust->value = m_hAdjust->upper - m_hAdjust->page_size; + m_xScrollPosition = (int)m_hAdjust->value; + } + } + } + if (m_yScrollPixelsPerLine == 0) + { + m_vAdjust->upper = 1.0; m_vAdjust->page_size = 1.0; + } else + { + m_vAdjust->upper = vh / m_yScrollPixelsPerLine; m_vAdjust->page_size = (h / m_yScrollPixelsPerLine); + if( m_vAdjust->value + m_vAdjust->page_size > m_vAdjust->upper ) + { + if (GetChildren().GetCount() == 0) + { + m_vAdjust->value = m_vAdjust->upper - m_vAdjust->page_size; + m_yScrollPosition = (int)m_vAdjust->value; + } + } + } + m_xScrollLinesPerPage = (int)(m_hAdjust->page_size + 0.5); m_yScrollLinesPerPage = (int)(m_vAdjust->page_size + 0.5); @@ -381,6 +418,7 @@ void wxScrolledWindow::AdjustScrollbars() gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "changed" ); } + // ---------------------------------------------------------------------------- // target window handling // ---------------------------------------------------------------------------- @@ -404,6 +442,22 @@ void wxScrolledWindow::PrepareDC(wxDC& dc) -m_yScrollPosition * m_yScrollPixelsPerLine ); } +void wxScrolledWindow::SetScrollRate( int xstep, int ystep ) +{ + int old_x = m_xScrollPixelsPerLine * m_xScrollPosition; + int old_y = m_yScrollPixelsPerLine * m_yScrollPosition; + + m_xScrollPixelsPerLine = xstep; + m_yScrollPixelsPerLine = ystep; + + int new_x = m_xScrollPixelsPerLine * m_xScrollPosition; + int new_y = m_yScrollPixelsPerLine * m_yScrollPosition; + + m_targetWindow->ScrollWindow( old_x - new_x, old_y - new_y ); + + AdjustScrollbars(); +} + void wxScrolledWindow::GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const { if ( x_unit ) @@ -435,9 +489,6 @@ void wxScrolledWindow::OnScroll(wxScrollWinEvent& event) int nScrollInc = CalcScrollInc(event); if (nScrollInc == 0) return; - // Update any invalidates areas before the get moved/scrolled. - Update(); - if (orient == wxHORIZONTAL) { int newPos = m_xScrollPosition + nScrollInc; @@ -476,15 +527,11 @@ void wxScrolledWindow::OnScroll(wxScrollWinEvent& event) void wxScrolledWindow::Scroll( int x_pos, int y_pos ) { - if (!m_targetWindow) - return; + wxASSERT_MSG( m_targetWindow != 0, _T("No target window") ); if (((x_pos == -1) || (x_pos == m_xScrollPosition)) && ((y_pos == -1) || (y_pos == m_yScrollPosition))) return; - // Update any invalidates areas before the get moved/scrolled. - Update(); - if ((x_pos != -1) && (m_xScrollPixelsPerLine)) { int max = (int)(m_hAdjust->upper - m_hAdjust->page_size + 0.5); @@ -524,10 +571,11 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos ) } } -void wxScrolledWindow::GtkVScroll( float value ) +// TODO: [VH]Scroll functions should be combined + +void wxScrolledWindow::GtkVScroll( float value, unsigned int scroll_type ) { - if (!m_targetWindow) - return; + wxASSERT_MSG( m_targetWindow != 0, _T("No target window") ); if (m_yScrollPixelsPerLine == 0) return; @@ -537,27 +585,16 @@ void wxScrolledWindow::GtkVScroll( float value ) if (y_pos == m_yScrollPosition) return; - // Update any invalidates areas before the get moved/scrolled. - Update(); - - GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(m_widget); - GtkRange *range = GTK_RANGE(scrolledWindow->vscrollbar); - - wxEventType command = wxEVT_SCROLLWIN_THUMBTRACK; - if (range->scroll_type == GTK_SCROLL_STEP_BACKWARD) command = wxEVT_SCROLLWIN_LINEUP; - else if (range->scroll_type == GTK_SCROLL_STEP_FORWARD) command = wxEVT_SCROLLWIN_LINEDOWN; - else if (range->scroll_type == GTK_SCROLL_PAGE_BACKWARD) command = wxEVT_SCROLLWIN_PAGEUP; - else if (range->scroll_type == GTK_SCROLL_PAGE_FORWARD) command = wxEVT_SCROLLWIN_PAGEDOWN; + wxEventType command = GtkScrollWinTypeToWx(scroll_type); wxScrollWinEvent event( command, y_pos, wxVERTICAL ); event.SetEventObject( this ); GetEventHandler()->ProcessEvent( event ); } -void wxScrolledWindow::GtkHScroll( float value ) +void wxScrolledWindow::GtkHScroll( float value, unsigned int scroll_type ) { - if (!m_targetWindow) - return; + wxASSERT_MSG( m_targetWindow != 0, _T("No target window") ); if (m_xScrollPixelsPerLine == 0) return; @@ -567,17 +604,7 @@ void wxScrolledWindow::GtkHScroll( float value ) if (x_pos == m_xScrollPosition) return; - // Update any invalidates areas before the get moved/scrolled. - Update(); - - GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(m_widget); - GtkRange *range = GTK_RANGE(scrolledWindow->hscrollbar); - - wxEventType command = wxEVT_SCROLLWIN_THUMBTRACK; - if (range->scroll_type == GTK_SCROLL_STEP_BACKWARD) command = wxEVT_SCROLLWIN_LINEUP; - else if (range->scroll_type == GTK_SCROLL_STEP_FORWARD) command = wxEVT_SCROLLWIN_LINEDOWN; - else if (range->scroll_type == GTK_SCROLL_PAGE_BACKWARD) command = wxEVT_SCROLLWIN_PAGEUP; - else if (range->scroll_type == GTK_SCROLL_PAGE_FORWARD) command = wxEVT_SCROLLWIN_PAGEDOWN; + wxEventType command = GtkScrollWinTypeToWx(scroll_type); wxScrollWinEvent event( command, x_pos, wxHORIZONTAL ); event.SetEventObject( this ); @@ -590,14 +617,6 @@ void wxScrolledWindow::EnableScrolling (bool x_scroll, bool y_scroll) m_yScrollingEnabled = y_scroll; } -void wxScrolledWindow::GetVirtualSize (int *x, int *y) const -{ - if ( x ) - *x = m_xScrollPixelsPerLine * m_xScrollLines; - if ( y ) - *y = m_yScrollPixelsPerLine * m_yScrollLines; -} - // Where the current view starts from void wxScrolledWindow::GetViewStart (int *x, int *y) const { @@ -607,7 +626,7 @@ void wxScrolledWindow::GetViewStart (int *x, int *y) const *y = m_yScrollPosition; } -void wxScrolledWindow::CalcScrolledPosition(int x, int y, int *xx, int *yy) const +void wxScrolledWindow::DoCalcScrolledPosition(int x, int y, int *xx, int *yy) const { if ( xx ) *xx = x - m_xScrollPosition * m_xScrollPixelsPerLine; @@ -615,7 +634,7 @@ void wxScrolledWindow::CalcScrolledPosition(int x, int y, int *xx, int *yy) cons *yy = y - m_yScrollPosition * m_yScrollPixelsPerLine; } -void wxScrolledWindow::CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const +void wxScrolledWindow::DoCalcUnscrolledPosition(int x, int y, int *xx, int *yy) const { if ( xx ) *xx = x + m_xScrollPosition * m_xScrollPixelsPerLine; @@ -639,9 +658,9 @@ int wxScrolledWindow::CalcScrollInc(wxScrollWinEvent& event) if (event.GetEventType() == wxEVT_SCROLLWIN_BOTTOM) { if (orient == wxHORIZONTAL) - nScrollInc = m_xScrollLines - m_xScrollPosition; + nScrollInc = GetVirtualSize().GetWidth() / m_xScrollPixelsPerLine - m_xScrollPosition; else - nScrollInc = m_yScrollLines - m_yScrollPosition; + nScrollInc = GetVirtualSize().GetHeight() / m_yScrollPixelsPerLine - m_yScrollPosition; } else if (event.GetEventType() == wxEVT_SCROLLWIN_LINEUP) { @@ -714,11 +733,6 @@ void wxScrolledWindow::SetScrollPos( int orient, int pos, bool refresh ) wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") ); - // Update any invalidates areas before the get moved/scrolled. - // We ignore the refresh parameter here because it is meant - // to control the behaviour AFTER scrolling happens. - Update(); - if (orient == wxHORIZONTAL) { int max = (int)(m_hAdjust->upper - m_hAdjust->page_size + 0.5); @@ -785,6 +799,23 @@ void wxScrolledWindow::GtkVDisconnectEvent() (GtkSignalFunc) gtk_scrolled_window_vscroll_callback, (gpointer) this ); } +bool wxScrolledWindow::Layout() +{ + if (GetSizer() && m_targetWindow == this) + { + // If we're the scroll target, take into account the + // virtual size and scrolled position of the window. + + int x, y, w, h; + CalcScrolledPosition(0,0, &x,&y); + GetVirtualSize(&w, &h); + GetSizer()->SetDimension(x, y, w, h); + return TRUE; + } + else + return wxPanel::Layout(); // fall back to default for LayoutConstraints +} + // ---------------------------------------------------------------------------- // event handlers // ---------------------------------------------------------------------------- @@ -792,12 +823,10 @@ void wxScrolledWindow::GtkVDisconnectEvent() // Default OnSize resets scrollbars, if any void wxScrolledWindow::OnSize(wxSizeEvent& WXUNUSED(event)) { -#if wxUSE_CONSTRAINTS - if (GetAutoLayout()) - Layout(); -#endif + if( m_targetWindow != this ) + m_targetWindow->SetVirtualSize( m_targetWindow->GetClientSize() ); - AdjustScrollbars(); + SetVirtualSize( GetClientSize() ); } // This calls OnDraw, having adjusted the origin according to the current @@ -911,3 +940,5 @@ void wxScrolledWindow::OnChar(wxKeyEvent& event) } } + +// vi:sts=4:sw=4:et