gtk spinctrl code simplification

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39217 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett
2006-05-18 17:04:16 +00:00
parent 1767b394f0
commit 7f81dfa1a0
2 changed files with 48 additions and 85 deletions

View File

@@ -16,19 +16,12 @@
#include "wx/spinctrl.h"
#ifndef WX_PRECOMP
#include "wx/textctrl.h" // for wxEVT_COMMAND_TEXT_UPDATED
#include "wx/utils.h"
#endif
#include "wx/textctrl.h" // for wxEVT_COMMAND_TEXT_UPDATED
#include "wx/math.h"
#include "wx/gtk/private.h"
//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------
static const float sensitivity = 0.02;
//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------
@@ -40,12 +33,14 @@ extern bool g_blockEventsOnDrag;
//-----------------------------------------------------------------------------
extern "C" {
static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win )
static void
gtk_value_changed(GtkSpinButton* spinbutton, wxSpinCtrl* win)
{
if (g_isIdle) wxapp_install_idle_handler();
if (!win->m_hasVMT) return;
if (g_blockEventsOnDrag) return;
win->m_pos = int(gtk_spin_button_get_value(spinbutton));
if (!win->m_hasVMT || g_blockEventsOnDrag || win->m_blockScrollEvent)
return;
wxCommandEvent event( wxEVT_COMMAND_SPINCTRL_UPDATED, win->GetId());
event.SetEventObject( win );
@@ -56,7 +51,7 @@ static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win
// temporarily - and trying to enter 10 into the control which accepts the
// values in range 5..50 is then, ummm, quite challenging (hint: you can't
// enter 1!) (VZ)
event.SetInt( (int)ceil(win->m_adjust->value) );
event.SetInt(win->m_pos);
win->GetEventHandler()->ProcessEvent( event );
}
}
@@ -67,18 +62,19 @@ static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win
extern "C" {
static void
gtk_spinctrl_text_changed_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win )
gtk_changed(GtkSpinButton* spinbutton, wxSpinCtrl* win)
{
if (!win->m_hasVMT) return;
if (g_isIdle)
wxapp_install_idle_handler();
if (!win->m_hasVMT || win->m_blockScrollEvent)
return;
wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
event.SetEventObject( win );
// see above
event.SetInt( (int)ceil(win->m_adjust->value) );
event.SetInt(win->m_pos);
win->GetEventHandler()->ProcessEvent( event );
}
}
@@ -93,6 +89,11 @@ BEGIN_EVENT_TABLE(wxSpinCtrl, wxControl)
EVT_CHAR(wxSpinCtrl::OnChar)
END_EVENT_TABLE()
wxSpinCtrl::wxSpinCtrl()
{
m_pos = 0;
}
bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id,
const wxString& value,
const wxPoint& pos, const wxSize& size,
@@ -110,67 +111,55 @@ bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id,
return false;
}
m_oldPos = initial;
m_adjust = (GtkAdjustment*) gtk_adjustment_new( initial, min, max, 1.0, 5.0, 0.0);
m_widget = gtk_spin_button_new( m_adjust, 1, 0 );
m_widget = gtk_spin_button_new_with_range(min, max, 1);
gtk_spin_button_set_value((GtkSpinButton*)m_widget, initial);
m_pos = int(gtk_spin_button_get_value((GtkSpinButton*)m_widget));
gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),
(int)(m_windowStyle & wxSP_WRAP) );
GtkEnableEvents();
g_signal_connect(m_widget, "value_changed", G_CALLBACK(gtk_value_changed), this);
g_signal_connect(m_widget, "changed", G_CALLBACK(gtk_changed), this);
m_parent->DoAddChild( this );
PostCreation(size);
SetValue( value );
if (!value.empty())
{
SetValue(value);
}
return true;
}
void wxSpinCtrl::GtkDisableEvents()
{
g_signal_handlers_disconnect_by_func (m_adjust,
(gpointer) gtk_spinctrl_callback,
this);
g_signal_handlers_disconnect_by_func (m_widget,
(gpointer) gtk_spinctrl_text_changed_callback,
this);
}
void wxSpinCtrl::GtkEnableEvents()
{
g_signal_connect (m_adjust, "value_changed",
G_CALLBACK (gtk_spinctrl_callback),
this);
g_signal_connect (m_widget, "changed",
G_CALLBACK (gtk_spinctrl_text_changed_callback),
this);
}
int wxSpinCtrl::GetMin() const
{
wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
return (int)ceil(m_adjust->lower);
double min;
gtk_spin_button_get_range((GtkSpinButton*)m_widget, &min, NULL);
return int(min);
}
int wxSpinCtrl::GetMax() const
{
wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
return (int)ceil(m_adjust->upper);
double max;
gtk_spin_button_get_range((GtkSpinButton*)m_widget, NULL, &max);
return int(max);
}
int wxSpinCtrl::GetValue() const
{
wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
wx_const_cast(wxSpinCtrl*, this)->BlockScrollEvent();
gtk_spin_button_update( GTK_SPIN_BUTTON(m_widget) );
wx_const_cast(wxSpinCtrl*, this)->UnblockScrollEvent();
return (int)ceil(m_adjust->value);
return m_pos;
}
void wxSpinCtrl::SetValue( const wxString& value )
@@ -186,9 +175,9 @@ void wxSpinCtrl::SetValue( const wxString& value )
else
{
// invalid number - set text as is (wxMSW compatible)
GtkDisableEvents();
BlockScrollEvent();
gtk_entry_set_text( GTK_ENTRY(m_widget), wxGTK_CONV( value ) );
GtkEnableEvents();
UnblockScrollEvent();
}
}
@@ -196,15 +185,9 @@ void wxSpinCtrl::SetValue( int value )
{
wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
float fpos = (float)value;
m_oldPos = fpos;
if (fabs(fpos-m_adjust->value) < sensitivity) return;
m_adjust->value = fpos;
GtkDisableEvents();
g_signal_emit_by_name (m_adjust, "value_changed");
GtkEnableEvents();
BlockScrollEvent();
gtk_spin_button_set_value((GtkSpinButton*)m_widget, value);
UnblockScrollEvent();
}
void wxSpinCtrl::SetSelection(long from, long to)
@@ -224,23 +207,9 @@ void wxSpinCtrl::SetRange(int minVal, int maxVal)
{
wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
float fmin = (float)minVal;
float fmax = (float)maxVal;
if ((fabs(fmin-m_adjust->lower) < sensitivity) &&
(fabs(fmax-m_adjust->upper) < sensitivity))
{
return;
}
m_adjust->lower = fmin;
m_adjust->upper = fmax;
g_signal_emit_by_name (m_adjust, "changed");
// these two calls are required due to some bug in GTK
Refresh();
SetFocus();
BlockScrollEvent();
gtk_spin_button_set_range((GtkSpinButton*)m_widget, minVal, maxVal);
UnblockScrollEvent();
}
void wxSpinCtrl::OnChar( wxKeyEvent &event )
@@ -249,9 +218,7 @@ void wxSpinCtrl::OnChar( wxKeyEvent &event )
if (event.GetKeyCode() == WXK_RETURN)
{
wxWindow *top_frame = m_parent;
while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
top_frame = top_frame->GetParent();
wxWindow *top_frame = wxGetTopLevelParent(m_parent);
if ( GTK_IS_WINDOW(top_frame->m_widget) )
{
@@ -284,11 +251,8 @@ void wxSpinCtrl::OnChar( wxKeyEvent &event )
bool wxSpinCtrl::IsOwnGtkWindow( GdkWindow *window )
{
if (GTK_SPIN_BUTTON(m_widget)->entry.text_area == window) return true;
if (GTK_SPIN_BUTTON(m_widget)->panel == window) return true;
return false;
GtkSpinButton* spinbutton = GTK_SPIN_BUTTON(m_widget);
return window == spinbutton->entry.text_area || window == spinbutton->panel;
}
wxSize wxSpinCtrl::DoGetBestSize() const