| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/gtk/spinbutt.cpp |
| 3 | // Purpose: wxSpinButton |
| 4 | // Author: Robert |
| 5 | // Modified by: |
| 6 | // RCS-ID: $Id$ |
| 7 | // Copyright: (c) Robert Roebling |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | // For compilers that support precompilation, includes "wx.h". |
| 12 | #include "wx/wxprec.h" |
| 13 | |
| 14 | #if wxUSE_SPINBTN |
| 15 | |
| 16 | #include "wx/spinbutt.h" |
| 17 | |
| 18 | #ifndef WX_PRECOMP |
| 19 | #include "wx/utils.h" |
| 20 | #endif |
| 21 | |
| 22 | #include <gtk/gtk.h> |
| 23 | |
| 24 | //----------------------------------------------------------------------------- |
| 25 | // data |
| 26 | //----------------------------------------------------------------------------- |
| 27 | |
| 28 | extern bool g_blockEventsOnDrag; |
| 29 | |
| 30 | //----------------------------------------------------------------------------- |
| 31 | // "value_changed" |
| 32 | //----------------------------------------------------------------------------- |
| 33 | |
| 34 | extern "C" { |
| 35 | static void |
| 36 | gtk_value_changed(GtkSpinButton* spinbutton, wxSpinButton* win) |
| 37 | { |
| 38 | const double value = gtk_spin_button_get_value(spinbutton); |
| 39 | const int pos = int(value); |
| 40 | const int oldPos = win->m_pos; |
| 41 | if (!win->m_hasVMT || g_blockEventsOnDrag || pos == oldPos) |
| 42 | { |
| 43 | win->m_pos = pos; |
| 44 | return; |
| 45 | } |
| 46 | |
| 47 | wxSpinEvent event(pos > oldPos ? wxEVT_SCROLL_LINEUP : wxEVT_SCROLL_LINEDOWN, win->GetId()); |
| 48 | event.SetPosition(pos); |
| 49 | event.SetEventObject(win); |
| 50 | |
| 51 | if ((win->HandleWindowEvent( event )) && |
| 52 | !event.IsAllowed() ) |
| 53 | { |
| 54 | /* program has vetoed */ |
| 55 | // this will cause another "value_changed" signal, |
| 56 | // but because pos == oldPos nothing will happen |
| 57 | gtk_spin_button_set_value(spinbutton, oldPos); |
| 58 | return; |
| 59 | } |
| 60 | |
| 61 | win->m_pos = pos; |
| 62 | |
| 63 | /* always send a thumbtrack event */ |
| 64 | wxSpinEvent event2(wxEVT_SCROLL_THUMBTRACK, win->GetId()); |
| 65 | event2.SetPosition(pos); |
| 66 | event2.SetEventObject(win); |
| 67 | win->HandleWindowEvent(event2); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | //----------------------------------------------------------------------------- |
| 72 | // wxSpinButton |
| 73 | //----------------------------------------------------------------------------- |
| 74 | |
| 75 | IMPLEMENT_DYNAMIC_CLASS(wxSpinButton,wxControl) |
| 76 | IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxNotifyEvent) |
| 77 | |
| 78 | BEGIN_EVENT_TABLE(wxSpinButton, wxControl) |
| 79 | EVT_SIZE(wxSpinButton::OnSize) |
| 80 | END_EVENT_TABLE() |
| 81 | |
| 82 | wxSpinButton::wxSpinButton() |
| 83 | { |
| 84 | m_pos = 0; |
| 85 | } |
| 86 | |
| 87 | bool wxSpinButton::Create(wxWindow *parent, |
| 88 | wxWindowID id, |
| 89 | const wxPoint& pos, |
| 90 | const wxSize& size, |
| 91 | long style, |
| 92 | const wxString& name) |
| 93 | { |
| 94 | wxSize new_size = size, |
| 95 | sizeBest = DoGetBestSize(); |
| 96 | new_size.x = sizeBest.x; // override width always |
| 97 | if (new_size.y == -1) |
| 98 | new_size.y = sizeBest.y; |
| 99 | |
| 100 | if (!PreCreation( parent, pos, new_size ) || |
| 101 | !CreateBase( parent, id, pos, new_size, style, wxDefaultValidator, name )) |
| 102 | { |
| 103 | wxFAIL_MSG( wxT("wxSpinButton creation failed") ); |
| 104 | return false; |
| 105 | } |
| 106 | |
| 107 | m_pos = 0; |
| 108 | |
| 109 | m_widget = gtk_spin_button_new_with_range(0, 100, 1); |
| 110 | |
| 111 | gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget), |
| 112 | (int)(m_windowStyle & wxSP_WRAP) ); |
| 113 | |
| 114 | g_signal_connect_after( |
| 115 | m_widget, "value_changed", G_CALLBACK(gtk_value_changed), this); |
| 116 | |
| 117 | m_parent->DoAddChild( this ); |
| 118 | |
| 119 | PostCreation(new_size); |
| 120 | |
| 121 | return true; |
| 122 | } |
| 123 | |
| 124 | int wxSpinButton::GetMin() const |
| 125 | { |
| 126 | wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); |
| 127 | |
| 128 | double min; |
| 129 | gtk_spin_button_get_range((GtkSpinButton*)m_widget, &min, NULL); |
| 130 | return int(min); |
| 131 | } |
| 132 | |
| 133 | int wxSpinButton::GetMax() const |
| 134 | { |
| 135 | wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); |
| 136 | |
| 137 | double max; |
| 138 | gtk_spin_button_get_range((GtkSpinButton*)m_widget, NULL, &max); |
| 139 | return int(max); |
| 140 | } |
| 141 | |
| 142 | int wxSpinButton::GetValue() const |
| 143 | { |
| 144 | wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); |
| 145 | |
| 146 | return m_pos; |
| 147 | } |
| 148 | |
| 149 | void wxSpinButton::SetValue( int value ) |
| 150 | { |
| 151 | wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); |
| 152 | |
| 153 | GtkDisableEvents(); |
| 154 | gtk_spin_button_set_value((GtkSpinButton*)m_widget, value); |
| 155 | m_pos = int(gtk_spin_button_get_value((GtkSpinButton*)m_widget)); |
| 156 | GtkEnableEvents(); |
| 157 | } |
| 158 | |
| 159 | void wxSpinButton::SetRange(int minVal, int maxVal) |
| 160 | { |
| 161 | wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); |
| 162 | |
| 163 | GtkDisableEvents(); |
| 164 | gtk_spin_button_set_range((GtkSpinButton*)m_widget, minVal, maxVal); |
| 165 | m_pos = int(gtk_spin_button_get_value((GtkSpinButton*)m_widget)); |
| 166 | GtkEnableEvents(); |
| 167 | } |
| 168 | |
| 169 | void wxSpinButton::OnSize( wxSizeEvent &WXUNUSED(event) ) |
| 170 | { |
| 171 | wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); |
| 172 | |
| 173 | m_width = DoGetBestSize().x; |
| 174 | gtk_widget_set_size_request( m_widget, m_width, m_height ); |
| 175 | } |
| 176 | |
| 177 | void wxSpinButton::GtkDisableEvents() const |
| 178 | { |
| 179 | g_signal_handlers_block_by_func(m_widget, |
| 180 | (gpointer)gtk_value_changed, (void*) this); |
| 181 | } |
| 182 | |
| 183 | void wxSpinButton::GtkEnableEvents() const |
| 184 | { |
| 185 | g_signal_handlers_unblock_by_func(m_widget, |
| 186 | (gpointer)gtk_value_changed, (void*) this); |
| 187 | } |
| 188 | |
| 189 | GdkWindow *wxSpinButton::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const |
| 190 | { |
| 191 | return GTK_SPIN_BUTTON(m_widget)->panel; |
| 192 | } |
| 193 | |
| 194 | wxSize wxSpinButton::DoGetBestSize() const |
| 195 | { |
| 196 | wxSize best(15, 26); // FIXME |
| 197 | CacheBestSize(best); |
| 198 | return best; |
| 199 | } |
| 200 | |
| 201 | // static |
| 202 | wxVisualAttributes |
| 203 | wxSpinButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) |
| 204 | { |
| 205 | // TODO: overload to accept functions like gtk_spin_button_new? |
| 206 | // Until then use a similar type |
| 207 | return GetDefaultAttributesFromGTKWidget(gtk_button_new); |
| 208 | } |
| 209 | |
| 210 | #endif |