Don't create a bitmap with dimensions <= 0...

[wxWidgets.git] / contrib / src / stc / PlatWX.cpp

diff --git a/contrib/src/stc/PlatWX.cpp b/contrib/src/stc/PlatWX.cpp
index 63b363ec0e621cbccce62767c7fdb371bfd174f1..ae53b19b54a3822976b6945faaaf13c0cedb25cf 100644 (file)
--- a/contrib/src/stc/PlatWX.cpp
+++ b/contrib/src/stc/PlatWX.cpp
@@ -9,6 +9,11 @@
 #include "Platform.h"
 #include "wx/stc/stc.h"
 
+
+#ifdef __WXGTK__
+#include <gtk/gtk.h>
+#endif
+
 Point Point::FromLong(long lpoint) {
     return Point(lpoint & 0xFFFF, lpoint >> 16);
 }
@@ -107,6 +112,8 @@ Font::~Font() {
 }
 
 void Font::Create(const char *faceName, int characterSet, int size, bool bold, bool italic) {
+    // TODO:  what to do about the characterSet?
+
     Release();
     id = new wxFont(size,
                     wxDEFAULT,
@@ -156,22 +163,21 @@ void Surface::Init() {
     Release();
     hdc = new wxMemoryDC();
     hdcOwned = true;
-    // **** ::SetTextAlign(hdc, TA_BASELINE);
 }
 
 void Surface::Init(SurfaceID hdc_) {
     Release();
     hdc = hdc_;
-    // **** ::SetTextAlign(hdc, TA_BASELINE);
 }
 
 void Surface::InitPixMap(int width, int height, Surface *surface_) {
     Release();
     hdc = new wxMemoryDC(surface_->hdc);
     hdcOwned = true;
+    if (width < 1) width = 1;
+    if (height < 1) height = 1;
     bitmap = new wxBitmap(width, height);
     ((wxMemoryDC*)hdc)->SelectObject(*bitmap);
-    // **** ::SetTextAlign(hdc, TA_BASELINE);
 }
 
 void Surface::PenColour(Colour fore) {
@@ -194,7 +200,7 @@ int Surface::LogPixelsY() {
 
 
 int Surface::DeviceHeightFont(int points) {
-    return points * LogPixelsY() / 72;
+    return points;
 }
 
 
@@ -348,7 +354,7 @@ int Surface::AverageCharWidth(Font &font) {
 }
 
 int Surface::SetPalette(Palette *pal, bool inBackGround) {
-    return 0;  // **** figure out what to do with palettes...
+    return 0;
 }
 
 void Surface::SetClip(PRectangle rc) {
@@ -446,6 +452,76 @@ void Window::SetTitle(const char *s) {
 }
 
 
+class wxSTCListBox : public wxListBox {
+public:
+    wxSTCListBox(wxWindow* parent, wxWindowID id)
+        : wxListBox(parent, id, wxDefaultPosition, wxDefaultSize,
+                    0, NULL, wxLB_SINGLE | wxLB_SORT | wxSIMPLE_BORDER)
+        {}
+
+    void OnFocus(wxFocusEvent& event) {
+        GetParent()->SetFocus();
+        event.Skip();
+    }
+
+#ifdef __WXGTK__
+    void DoSetFirstItem(int n);
+#endif
+
+private:
+    DECLARE_EVENT_TABLE()
+};
+
+BEGIN_EVENT_TABLE(wxSTCListBox, wxListBox)
+    EVT_SET_FOCUS(wxSTCListBox::OnFocus)
+END_EVENT_TABLE()
+
+
+
+
+#ifdef __WXGTK__
+    // This can be removed after 2.2.2 I think
+void wxSTCListBox::DoSetFirstItem( int n )
+{
+    wxCHECK_RET( m_list, wxT("invalid listbox") );
+
+    if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_list))
+        return;
+
+    // terribly efficient
+    const gchar *vadjustment_key = "gtk-vadjustment";
+    guint vadjustment_key_id = g_quark_from_static_string (vadjustment_key);
+
+    GtkAdjustment *adjustment =
+       (GtkAdjustment*) gtk_object_get_data_by_id (GTK_OBJECT (m_list), vadjustment_key_id);
+    wxCHECK_RET( adjustment, wxT("invalid listbox code") );
+
+    GList *target = g_list_nth( m_list->children, n );
+    wxCHECK_RET( target, wxT("invalid listbox index") );
+
+    GtkWidget *item = GTK_WIDGET(target->data);
+    wxCHECK_RET( item, wxT("invalid listbox code") );
+
+    // find the last item before this one which is already realized
+    size_t nItemsBefore;
+    for ( nItemsBefore = 0; item && (item->allocation.y == -1); nItemsBefore++ )
+    {
+        target = target->prev;
+        if ( !target )
+        {
+            // nothing we can do if there are no allocated items yet
+            return;
+        }
+
+        item = GTK_WIDGET(target->data);
+    }
+
+    gtk_adjustment_set_value(adjustment,
+                             item->allocation.y +
+                                nItemsBefore*item->allocation.height);
+}
+#endif
+
 
 ListBox::ListBox() {
 }
@@ -454,8 +530,9 @@ ListBox::~ListBox() {
 }
 
 void ListBox::Create(Window &parent, int ctrlID) {
-    id = new wxListBox(parent.id, ctrlID, wxDefaultPosition, wxDefaultSize,
-                       0, NULL, wxLB_SINGLE | wxLB_SORT);
+    id = new wxSTCListBox(parent.id, ctrlID);
+//    id = new wxListBox(parent.id, ctrlID,  wxDefaultPosition, wxDefaultSize,
+//                       0, NULL, wxLB_SINGLE | wxLB_SORT | wxSIMPLE_BORDER);
 }
 
 PRectangle ListBox::GetDesiredRect() {
@@ -463,6 +540,10 @@ PRectangle ListBox::GetDesiredRect() {
     PRectangle rc;
     rc.top = 0;
     rc.left = 0;
+    if (sz.x > 150)   // TODO: A better way to determine these max sizes
+        sz.x = 150;
+    if (sz.y > 100)
+        sz.y = 100;
     rc.right = sz.x;
     rc.bottom = sz.y;
 
@@ -486,11 +567,18 @@ void ListBox::Append(char *s) {
 }
 
 int ListBox::Length() {
-    return ((wxListBox*)id)->Number();
+    return ((wxListBox*)id)->GetCount();
 }
 
 void ListBox::Select(int n) {
     ((wxListBox*)id)->SetSelection(n);
+#ifdef __WXGTK__
+    if (n > 4)
+        n = n - 4;
+    else
+        n = 1;
+    ((wxListBox*)id)->SetFirstItem(n);
+#endif
 }
 
 int ListBox::GetSelection() {
@@ -499,7 +587,7 @@ int ListBox::GetSelection() {
 
 int ListBox::Find(const char *prefix) {
     if (prefix) {
-        for (int x=0; x < ((wxListBox*)id)->Number(); x++) {
+        for (int x=0; x < ((wxListBox*)id)->GetCount(); x++) {
             wxString text = ((wxListBox*)id)->GetString(x);
             if (text.StartsWith(prefix))
                 return x;
@@ -610,6 +698,36 @@ void Platform::DebugPrintf(const char *format, ...) {
 #endif
 }
 
+
+static bool assertionPopUps = true;
+
+bool Platform::ShowAssertionPopUps(bool assertionPopUps_) {
+       bool ret = assertionPopUps;
+       assertionPopUps = assertionPopUps_;
+       return ret;
+}
+
+void Platform::Assert(const char *c, const char *file, int line) {
+       char buffer[2000];
+       sprintf(buffer, "Assertion [%s] failed at %s %d", c, file, line);
+       if (assertionPopUps) {
+               int idButton = wxMessageBox(buffer, "Assertion failure",
+                                            wxICON_HAND | wxOK);
+//             if (idButton == IDRETRY) {
+//                     ::DebugBreak();
+//             } else if (idButton == IDIGNORE) {
+//                     // all OK
+//             } else {
+//                     abort();
+//             }
+       } else {
+               strcat(buffer, "\r\n");
+               Platform::DebugDisplay(buffer);
+               abort();
+       }
+}
+
+
 int Platform::Clamp(int val, int minVal, int maxVal) {
     if (val > maxVal)
         val = maxVal;