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738f9e5a RR |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: spinbutt.cpp | |
3 | // Purpose: wxSpinCtrl | |
4 | // Author: Robert | |
5 | // Modified by: | |
6 | // RCS-ID: $Id$ | |
7 | // Copyright: (c) Robert Roebling | |
8 | // Licence: wxWindows licence | |
9 | ///////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | #ifdef __GNUG__ | |
12 | #pragma implementation "spinctrl.h" | |
13 | #endif | |
14 | ||
15 | #include "wx/spinctrl.h" | |
16 | ||
0e0d8857 | 17 | #if wxUSE_SPINCTRL |
738f9e5a RR |
18 | |
19 | #include "wx/utils.h" | |
aec0ed2e | 20 | |
738f9e5a RR |
21 | #include <math.h> |
22 | ||
aec0ed2e RR |
23 | #include <gdk/gdk.h> |
24 | #include <gtk/gtk.h> | |
738f9e5a RR |
25 | |
26 | //----------------------------------------------------------------------------- | |
27 | // idle system | |
28 | //----------------------------------------------------------------------------- | |
29 | ||
30 | extern void wxapp_install_idle_handler(); | |
31 | extern bool g_isIdle; | |
32 | ||
0c623889 RR |
33 | static const float sensitivity = 0.02; |
34 | ||
738f9e5a RR |
35 | //----------------------------------------------------------------------------- |
36 | // data | |
37 | //----------------------------------------------------------------------------- | |
38 | ||
39 | extern bool g_blockEventsOnDrag; | |
40 | ||
738f9e5a RR |
41 | //----------------------------------------------------------------------------- |
42 | // "value_changed" | |
43 | //----------------------------------------------------------------------------- | |
44 | ||
45 | static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win ) | |
46 | { | |
47 | if (g_isIdle) wxapp_install_idle_handler(); | |
48 | ||
49 | if (!win->m_hasVMT) return; | |
50 | if (g_blockEventsOnDrag) return; | |
51 | ||
58c837a4 | 52 | wxCommandEvent event( wxEVT_COMMAND_SPINCTRL_UPDATED, win->GetId()); |
738f9e5a | 53 | event.SetEventObject( win ); |
58c837a4 | 54 | event.SetInt( win->GetValue() ); |
738f9e5a | 55 | win->GetEventHandler()->ProcessEvent( event ); |
738f9e5a RR |
56 | } |
57 | ||
58 | //----------------------------------------------------------------------------- | |
59 | // wxSpinCtrl | |
60 | //----------------------------------------------------------------------------- | |
61 | ||
62 | IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl,wxControl) | |
63 | ||
da048e3d RR |
64 | BEGIN_EVENT_TABLE(wxSpinCtrl, wxControl) |
65 | EVT_CHAR(wxSpinCtrl::OnChar) | |
66 | END_EVENT_TABLE() | |
67 | ||
738f9e5a | 68 | bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id, |
ce89fdd2 VZ |
69 | const wxString& value, |
70 | const wxPoint& pos, const wxSize& size, | |
71 | long style, | |
72 | int min, int max, int initial, | |
73 | const wxString& name) | |
738f9e5a RR |
74 | { |
75 | m_needParent = TRUE; | |
354aa1e3 | 76 | m_acceptsFocus = TRUE; |
738f9e5a | 77 | |
0279e844 RR |
78 | if (!PreCreation( parent, pos, size ) || |
79 | !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name )) | |
738f9e5a RR |
80 | { |
81 | wxFAIL_MSG( wxT("wxSpinCtrl creation failed") ); | |
9750fc42 | 82 | return FALSE; |
738f9e5a RR |
83 | } |
84 | ||
85 | m_oldPos = initial; | |
86 | ||
87 | m_adjust = (GtkAdjustment*) gtk_adjustment_new( initial, min, max, 1.0, 5.0, 0.0); | |
88 | ||
89 | m_widget = gtk_spin_button_new( m_adjust, 1, 0 ); | |
0279e844 RR |
90 | |
91 | wxSize new_size = size, | |
92 | sizeBest = DoGetBestSize(); | |
93 | if (new_size.x == -1) | |
94 | new_size.x = sizeBest.x; | |
95 | if (new_size.y == -1) | |
96 | new_size.y = sizeBest.y; | |
97 | ||
98 | if ((new_size.x != size.x) || (new_size.y != size.y)) | |
99 | SetSize( new_size.x, new_size.y ); | |
738f9e5a | 100 | |
b02da6b1 VZ |
101 | gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget), |
102 | (int)(m_windowStyle & wxSP_WRAP) ); | |
738f9e5a | 103 | |
07f5b19a | 104 | GtkEnableEvents(); |
738f9e5a RR |
105 | m_parent->DoAddChild( this ); |
106 | ||
107 | PostCreation(); | |
108 | ||
109 | SetBackgroundColour( parent->GetBackgroundColour() ); | |
110 | ||
ce89fdd2 VZ |
111 | SetValue( value ); |
112 | ||
738f9e5a RR |
113 | Show( TRUE ); |
114 | ||
115 | return TRUE; | |
116 | } | |
117 | ||
07f5b19a RR |
118 | void wxSpinCtrl::GtkDisableEvents() |
119 | { | |
120 | gtk_signal_disconnect_by_func( GTK_OBJECT(m_adjust), | |
121 | GTK_SIGNAL_FUNC(gtk_spinctrl_callback), | |
122 | (gpointer) this ); | |
123 | ||
124 | } | |
125 | ||
126 | void wxSpinCtrl::GtkEnableEvents() | |
127 | { | |
128 | gtk_signal_connect( GTK_OBJECT (m_adjust), | |
129 | "value_changed", | |
130 | GTK_SIGNAL_FUNC(gtk_spinctrl_callback), | |
131 | (gpointer) this ); | |
132 | } | |
133 | ||
738f9e5a RR |
134 | int wxSpinCtrl::GetMin() const |
135 | { | |
136 | wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); | |
137 | ||
138 | return (int)ceil(m_adjust->lower); | |
139 | } | |
140 | ||
141 | int wxSpinCtrl::GetMax() const | |
142 | { | |
143 | wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); | |
144 | ||
145 | return (int)ceil(m_adjust->upper); | |
146 | } | |
147 | ||
148 | int wxSpinCtrl::GetValue() const | |
149 | { | |
150 | wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); | |
151 | ||
152 | return (int)ceil(m_adjust->value); | |
153 | } | |
154 | ||
ce89fdd2 VZ |
155 | void wxSpinCtrl::SetValue( const wxString& value ) |
156 | { | |
157 | wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); | |
158 | ||
159 | int n; | |
160 | if ( (wxSscanf(value, wxT("%d"), &n) == 1) ) | |
161 | { | |
162 | // a number - set it | |
163 | SetValue(n); | |
164 | } | |
165 | else | |
166 | { | |
167 | // invalid number - set text as is (wxMSW compatible) | |
07f5b19a | 168 | GtkDisableEvents(); |
7dd62924 | 169 | gtk_entry_set_text( GTK_ENTRY(m_widget), value.mbc_str() ); |
07f5b19a | 170 | GtkEnableEvents(); |
ce89fdd2 VZ |
171 | } |
172 | } | |
173 | ||
738f9e5a RR |
174 | void wxSpinCtrl::SetValue( int value ) |
175 | { | |
176 | wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); | |
177 | ||
178 | float fpos = (float)value; | |
179 | m_oldPos = fpos; | |
180 | if (fabs(fpos-m_adjust->value) < sensitivity) return; | |
181 | ||
182 | m_adjust->value = fpos; | |
183 | ||
07f5b19a | 184 | GtkDisableEvents(); |
738f9e5a | 185 | gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" ); |
07f5b19a | 186 | GtkEnableEvents(); |
738f9e5a RR |
187 | } |
188 | ||
189 | void wxSpinCtrl::SetRange(int minVal, int maxVal) | |
190 | { | |
191 | wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); | |
192 | ||
193 | float fmin = (float)minVal; | |
194 | float fmax = (float)maxVal; | |
195 | ||
196 | if ((fabs(fmin-m_adjust->lower) < sensitivity) && | |
197 | (fabs(fmax-m_adjust->upper) < sensitivity)) | |
198 | { | |
199 | return; | |
200 | } | |
201 | ||
202 | m_adjust->lower = fmin; | |
203 | m_adjust->upper = fmax; | |
204 | ||
205 | gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" ); | |
0e0d8857 | 206 | |
738f9e5a RR |
207 | // these two calls are required due to some bug in GTK |
208 | Refresh(); | |
209 | SetFocus(); | |
210 | } | |
211 | ||
da048e3d RR |
212 | void wxSpinCtrl::OnChar( wxKeyEvent &event ) |
213 | { | |
214 | wxCHECK_RET( m_widget != NULL, wxT("invalid spin ctrl") ); | |
215 | ||
216 | if (event.KeyCode() == WXK_RETURN) | |
217 | { | |
218 | wxWindow *top_frame = m_parent; | |
219 | while (top_frame->GetParent() && !(top_frame->GetParent()->m_isFrame)) | |
220 | top_frame = top_frame->GetParent(); | |
9750fc42 | 221 | GtkWindow *window = GTK_WINDOW(top_frame->m_widget); |
0e0d8857 | 222 | |
9750fc42 | 223 | if (window->default_widget) |
da048e3d RR |
224 | { |
225 | gtk_widget_activate (window->default_widget); | |
9750fc42 VZ |
226 | return; |
227 | } | |
da048e3d RR |
228 | } |
229 | ||
230 | event.Skip(); | |
231 | } | |
232 | ||
738f9e5a RR |
233 | bool wxSpinCtrl::IsOwnGtkWindow( GdkWindow *window ) |
234 | { | |
235 | return GTK_SPIN_BUTTON(m_widget)->panel == window; | |
236 | } | |
237 | ||
238 | void wxSpinCtrl::ApplyWidgetStyle() | |
239 | { | |
240 | SetWidgetStyle(); | |
241 | gtk_widget_set_style( m_widget, m_widgetStyle ); | |
242 | } | |
243 | ||
9d9b7755 VZ |
244 | wxSize wxSpinCtrl::DoGetBestSize() const |
245 | { | |
0279e844 RR |
246 | wxSize ret( wxControl::DoGetBestSize() ); |
247 | return wxSize(95, ret.y); | |
9d9b7755 VZ |
248 | } |
249 | ||
738f9e5a | 250 | #endif |
aec0ed2e | 251 | // wxUSE_SPINCTRL |