Fix more compiler warnings.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11536 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl.H

@@ -23,6 +23,8 @@
 #ifndef Fl_H
 #  define Fl_H
 
+#include <FL/Fl_Export.H>
+
 #include <FL/Fl_System_Driver.H> // for FL_SOCKET
 #ifdef FLTK_HAVE_CAIRO
 # include <FL/Fl_Cairo.H>

fluid/CodeEditor.cxx

@@ -432,7 +432,7 @@ void CodeViewer::draw()
 {
   // Tricking Fl_Text_Display into using bearable colors for this specific task
   Fl_Color c = Fl::get_color(FL_SELECTION_COLOR);
-  Fl::set_color(FL_SELECTION_COLOR, fl_color_average(FL_BACKGROUND_COLOR, FL_FOREGROUND_COLOR, 0.9));
+  Fl::set_color(FL_SELECTION_COLOR, fl_color_average(FL_BACKGROUND_COLOR, FL_FOREGROUND_COLOR, 0.9f));
   CodeEditor::draw();
   Fl::set_color(FL_SELECTION_COLOR, c);
 }

src/Fl_PNG_Image.cxx

@@ -115,7 +115,7 @@ void Fl_PNG_Image::load_png_(const char *name_png, const unsigned char *buffer_p
   FILE *fp = NULL;	  // File pointer
   int channels;	  // Number of color channels
   png_structp pp; // PNG read pointer
-  png_infop info; // PNG info pointers
+  png_infop info = 0; // PNG info pointers
   png_bytep *rows;// PNG row pointers
   fl_png_memory png_mem_data;
   int from_memory = (buffer_png != NULL); // true if reading image from memory

src/Fl_Slider.cxx

@@ -269,7 +269,7 @@ int Fl_Slider::handle(int event, int X, int Y, int W, int H) {
     }
 
     int xx = mx-offcenter;
-    double v;
+    double v = 0;
     char tryAgain = 1;
     while (tryAgain)
     {

src/Fl_win32.cxx

@@ -738,7 +738,7 @@ void Fl::paste(Fl_Widget &receiver, int clipboard, const char *type) {
       }
       else if (strcmp(type, Fl::clipboard_image) == 0) { // we want an image from clipboard
 	uchar *rgb = NULL;
-	int width, height, depth;
+	int width = 0, height = 0, depth = 0;
 	if ( (h = GetClipboardData(CF_DIB)) ) { // if there's a DIB in clipboard
 	  LPBITMAPINFO lpBI = (LPBITMAPINFO)GlobalLock(h) ;
 	  width = lpBI->bmiHeader.biWidth; // bitmap width & height
@@ -1481,7 +1481,7 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lPar
 
 static int fake_X_wm_style(const Fl_Window* w,int &X,int &Y, int &bt,int &bx, int &by, DWORD style, DWORD styleEx,
                      int w_maxw, int w_minw, int w_maxh, int w_minh, uchar w_size_range_set) {
-  int W, H, xoff, yoff, dx, dy;
+  int W = 0, H = 0, xoff = 0, yoff = 0, dx = 0, dy = 0;
   int ret = bx = by = bt = 0;
 
   int fallback = 1;
@@ -1558,7 +1558,7 @@ static int fake_X_wm_style(const Fl_Window* w,int &X,int &Y, int &bt,int &bx, in
   //Proceed to positioning the window fully inside the screen, if possible
   //Find screen that contains most of the window
   //FIXME: this ought to be the "work area" instead of the entire screen !
-  int scr_x, scr_y, scr_w, scr_h;
+  int scr_x = 0, scr_y = 0, scr_w = 0, scr_h = 0;
   Fl::screen_xywh(scr_x, scr_y, scr_w, scr_h, X, Y, W, H);
   //Make border's lower right corner visible
   if (scr_x+scr_w < X+W) X = scr_x+scr_w - W;

test/CMakeLists.txt

@@ -33,7 +33,7 @@ CREATE_EXAMPLE(colbrowser colbrowser.cxx "fltk;fltk_forms")
 CREATE_EXAMPLE(color_chooser color_chooser.cxx fltk)
 CREATE_EXAMPLE(cursor cursor.cxx fltk)
 CREATE_EXAMPLE(curve curve.cxx fltk)
-CREATE_EXAMPLE(demo demo.cxx "fltk;fltk_forms")
+CREATE_EXAMPLE(demo demo.cxx fltk)
 CREATE_EXAMPLE(device device.cxx fltk)
 CREATE_EXAMPLE(doublebuffer doublebuffer.cxx fltk)
 CREATE_EXAMPLE(editor editor.cxx fltk)

test/sudoku.cxx

@@ -1029,7 +1029,7 @@ Sudoku::load_game() {
  
       sprintf(name, "readonly%d.%d", j, k);
       prefs_.get(name, val, 0);
-      cell->readonly(val);
+      cell->readonly(val != 0);
 
       if (val) cell->color(FL_GRAY);
       else {
@@ -1090,7 +1090,7 @@ Sudoku::new_game(time_t seed) {
 
   // Generate a new (valid) Sudoku grid...
   seed_ = seed;
-  srand(seed);
+  srand((unsigned int)seed);
 
   memset(grid_values_, 0, sizeof(grid_values_));
 
@@ -1181,7 +1181,7 @@ Sudoku::new_game(time_t seed) {
 // Return the next available value for a cell...
 int
 Sudoku::next_value(SudokuCell *c) {
-  int	j, k, m, n;
+  int	j = 0, k = 0, m = 0, n = 0;
 
 
   for (j = 0; j < 9; j ++) {