Fluid: widget classes can resize children on instantiation

fluid/Fl_Widget_Type.cxx

@@ -754,7 +754,7 @@ void h_cb(Fluid_Coord_Input *i, void *v) {
   }
 }
 
-void wc_relative_cb(Fl_Light_Button *i, void *v) {
+void wc_relative_cb(Fl_Choice *i, void *v) {
   if (v == LOAD) {
     if (!strcmp(current_widget->type_name(), "widget_class")) {
       i->show();

fluid/Fl_Window_Type.cxx

@@ -1608,12 +1608,17 @@ Fl_Type *Fl_Widget_Class_Type::make(Strategy strategy) {
 
 void Fl_Widget_Class_Type::write_properties() {
   Fl_Window_Type::write_properties();
-  if (wc_relative) write_string("position_relative");
+  if (wc_relative==1)
+    write_string("position_relative");
+  else if (wc_relative==2)
+    write_string("position_relative_rescale");
 }
 
 void Fl_Widget_Class_Type::read_property(const char *c) {
   if (!strcmp(c,"position_relative")) {
     wc_relative = 1;
+  } else if (!strcmp(c,"position_relative_rescale")) {
+      wc_relative = 2;
   } else {
     Fl_Window_Type::read_property(c);
   }
@@ -1684,8 +1689,10 @@ void Fl_Widget_Class_Type::write_code1() {
     write_h("%s%s(int X, int Y, int W, int H, const char *L = 0);\n",
             indent(1), trimclassname(name()));
     write_c("%s::%s(int X, int Y, int W, int H, const char *L) :\n", name(), trimclassname(name()));
-    if (wc_relative)
+    if (wc_relative==1)
       write_c("%s%s(0, 0, W, H, L)\n{\n", indent(1), c);
+    else if (wc_relative==2)
+      write_c("%s%s(0, 0, %d, %d, L)\n{\n", indent(1), c, o->w(), o->h());
     else
       write_c("%s%s(X, Y, W, H, L)\n{\n", indent(1), c);
   }
@@ -1698,7 +1705,10 @@ void Fl_Widget_Class_Type::write_code1() {
 
 void Fl_Widget_Class_Type::write_code2() {
   write_extra_code();
-  if (wc_relative) write_c("%sposition(X, Y);\n", indent());
+  if (wc_relative==1)
+    write_c("%sposition(X, Y);\n", indent());
+  else if (wc_relative==2)
+    write_c("%sresize(X, Y, W, H);\n", indent());
   if (modal) write_c("%sset_modal();\n", indent());
   else if (non_modal) write_c("%sset_non_modal();\n", indent());
   if (!((Fl_Window*)o)->border()) write_c("%sclear_border();\n", indent());

fluid/Fl_Window_Type.h

@@ -111,7 +111,7 @@ public:
   }
   // state variables for output:
   char write_public_state; // true when public: has been printed
-  char wc_relative; // if true, reposition all child widgets in an Fl_Group
+  char wc_relative; // if 1, reposition all children, if 2, reposition and resize
 
   virtual void write_properties();
   virtual void read_property(const char *);

fluid/widget_panel.cxx

@@ -60,6 +60,13 @@ Fluid_Coord_Input *widget_w_input=(Fluid_Coord_Input *)0;
 
 Fluid_Coord_Input *widget_h_input=(Fluid_Coord_Input *)0;
 
+Fl_Menu_Item menu_Children[] = {
+ {"Fixed", 0,  0, 0, 0, (uchar)FL_NORMAL_LABEL, 0, 11, 0},
+ {"Reposition", 0,  0, 0, 0, (uchar)FL_NORMAL_LABEL, 0, 11, 0},
+ {"Resize", 0,  0, 0, 0, (uchar)FL_NORMAL_LABEL, 0, 11, 0},
+ {0,0,0,0,0,0,0,0,0}
+};
+
 Fl_Value_Input *widget_flex_size=(Fl_Value_Input *)0;
 
 Fl_Check_Button *widget_flex_fixed=(Fl_Check_Button *)0;
@@ -322,12 +329,17 @@ Fl_Double_Window* make_widget_panel() {
             widget_h_input->align(Fl_Align(FL_ALIGN_TOP_LEFT));
             widget_h_input->when(FL_WHEN_RELEASE);
           } // Fluid_Coord_Input* widget_h_input
-          { Fl_Light_Button* o = new Fl_Light_Button(335, 150, 65, 20, "Relative");
-            o->tooltip("If set, widgets inside a widget class of type Fl_Group are repositioned relat\
-ive to the origin at construction time");
+          { Fl_Choice* o = new Fl_Choice(335, 150, 65, 20, "Children:");
+            o->tooltip("When instantiating a widget class, the children can either be fixed in their \
+original position, automatically be repositioned, or both repsositioned and re\
+sized to fit the container.");
+            o->down_box(FL_BORDER_BOX);
             o->labelsize(11);
+            o->textsize(11);
             o->callback((Fl_Callback*)wc_relative_cb);
-          } // Fl_Light_Button* o
+            o->align(Fl_Align(FL_ALIGN_TOP_LEFT));
+            o->menu(menu_Children);
+          } // Fl_Choice* o
           { Fl_Box* o = new Fl_Box(398, 150, 1, 20);
             Fl_Group::current()->resizable(o);
           } // Fl_Box* o

fluid/widget_panel.fl

@@ -258,7 +258,7 @@ Use Ctrl-J for newlines.} xywh {95 40 190 20} labelfont 1 labelsize 11 when 1 te
         }
         Fl_Group {} {
           label {Position:}
-          callback position_group_cb open selected
+          callback position_group_cb open
           xywh {95 150 314 20} labelfont 1 labelsize 11 align 4
         } {
           Fl_Input widget_x_input {
@@ -285,10 +285,23 @@ Use Ctrl-J for newlines.} xywh {95 40 190 20} labelfont 1 labelsize 11 when 1 te
             tooltip {The height of the widget.} xywh {275 150 55 20} labelsize 11 align 5 textsize 11
             class Fluid_Coord_Input
           }
-          Fl_Light_Button {} {
-            label Relative
-            callback wc_relative_cb
-            tooltip {If set, widgets inside a widget class of type Fl_Group are repositioned relative to the origin at construction time} xywh {335 150 65 20} labelsize 11
+          Fl_Choice {} {
+            label {Children:}
+            callback wc_relative_cb open selected
+            tooltip {When instantiating a widget class, the children can either be fixed in their original position, automatically be repositioned, or both repsositioned and resized to fit the container.} xywh {335 150 65 20} down_box BORDER_BOX labelsize 11 align 5 textsize 11
+          } {
+            MenuItem {} {
+              label Fixed
+              xywh {0 0 31 20} labelsize 11
+            }
+            MenuItem {} {
+              label Reposition
+              xywh {0 0 31 20} labelsize 11
+            }
+            MenuItem {} {
+              label Resize
+              xywh {0 0 31 20} labelsize 11
+            }
           }
           Fl_Box {} {
             xywh {398 150 1 20} resizable

fluid/widget_panel.h

@@ -47,8 +47,7 @@ extern void w_cb(Fluid_Coord_Input*, void*);
 extern Fluid_Coord_Input *widget_w_input;
 extern void h_cb(Fluid_Coord_Input*, void*);
 extern Fluid_Coord_Input *widget_h_input;
-#include <FL/Fl_Light_Button.H>
-extern void wc_relative_cb(Fl_Light_Button*, void*);
+extern void wc_relative_cb(Fl_Choice*, void*);
 extern void flex_size_group_cb(Fl_Group*, void*);
 #include <FL/Fl_Value_Input.H>
 extern void flex_size_cb(Fl_Value_Input*, void*);
@@ -78,6 +77,7 @@ extern void set_max_size_cb(Fl_Button*, void*);
 #include "Shortcut_Button.h"
 extern void shortcut_in_cb(Shortcut_Button*, void*);
 extern void xclass_cb(Fl_Input*, void*);
+#include <FL/Fl_Light_Button.H>
 extern void border_cb(Fl_Light_Button*, void*);
 extern void modal_cb(Fl_Light_Button*, void*);
 extern void non_modal_cb(Fl_Light_Button*, void*);
@@ -126,6 +126,7 @@ extern void cancel_cb(Fl_Button*, void*);
 Fl_Double_Window* make_widget_panel();
 extern Fl_Menu_Item menu_[];
 extern Fl_Menu_Item menu_1[];
+extern Fl_Menu_Item menu_Children[];
 extern Fl_Menu_Item menu_2[];
 extern Fl_Menu_Item menu_3[];
 #endif