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-rw-r--r--documentation/src/fluid.dox19
-rw-r--r--fluid/Fl_Widget_Type.cxx5
-rw-r--r--fluid/widget_panel.cxx12
-rw-r--r--fluid/widget_panel.fl20
4 files changed, 46 insertions, 10 deletions
diff --git a/documentation/src/fluid.dox b/documentation/src/fluid.dox
index b0682be9b..fc020f7d7 100644
--- a/documentation/src/fluid.dox
+++ b/documentation/src/fluid.dox
@@ -1028,6 +1028,25 @@ the image.
The position fields show the current position and size of the
widget box. Enter new values to move and/or resize a widget.
+\par
+These fields understand basic math and variables.
+Appending <tt>+10</tt> to the <b>X</b> coordinate will move a widget 10 units
+to the right without having to reenter the value.
+Entering the formula <tt>w+3</tt> in the <b>Width</b> field will widen all
+selected Widgets by 3 units.
+The formula <tt>py+i*20</tt> in the <b>Y</b> field will order all selected
+widgets vertically in their group by increments of 20 units.
+
+\par
+<table>
+<tr><th>Name</th><th>Value</th></tr>
+<tr><td> `i` </td><td> zero based counter of selected widgets </td></tr>
+<tr><td> `x`, `y`, `w`, `h` </td><td> position and size of the current widget </td></tr>
+<tr><td> `px`, `py`, `pw`, `ph` </td><td> dimensions of the parent widget </td></tr>
+<tr><td> `sx`, `sy`, `sw`, `sh` </td><td> dimensions of the previous sibling </td></tr>
+<tr><td> `cx`, `cy`, `cw`, `ch` </td><td> bounding box of all children </td></tr>
+</table>
+
\par Values (text fields)
\par
diff --git a/fluid/Fl_Widget_Type.cxx b/fluid/Fl_Widget_Type.cxx
index 14bba4fd5..12772eabe 100644
--- a/fluid/Fl_Widget_Type.cxx
+++ b/fluid/Fl_Widget_Type.cxx
@@ -26,6 +26,7 @@
#include "Fluid_Image.h"
#include "alignment_panel.h"
#include "widget_panel.h"
+#include "undo.h"
#include <FL/Fl.H>
#include <FL/Fl_Group.H>
@@ -666,6 +667,7 @@ void x_cb(Fluid_Coord_Input *i, void *v) {
x_input->activate();
} else x_input->deactivate();
} else {
+ undo_checkpoint();
widget_i = 0;
int mod = 0;
for (Fl_Type *o = Fl_Type::first; o; o = o->next) {
@@ -690,6 +692,7 @@ void y_cb(Fluid_Coord_Input *i, void *v) {
y_input->activate();
} else y_input->deactivate();
} else {
+ undo_checkpoint();
widget_i = 0;
int mod = 0;
for (Fl_Type *o = Fl_Type::first; o; o = o->next) {
@@ -714,6 +717,7 @@ void w_cb(Fluid_Coord_Input *i, void *v) {
w_input->activate();
} else w_input->deactivate();
} else {
+ undo_checkpoint();
widget_i = 0;
int mod = 0;
for (Fl_Type *o = Fl_Type::first; o; o = o->next) {
@@ -738,6 +742,7 @@ void h_cb(Fluid_Coord_Input *i, void *v) {
h_input->activate();
} else h_input->deactivate();
} else {
+ undo_checkpoint();
widget_i = 0;
int mod = 0;
for (Fl_Type *o = Fl_Type::first; o; o = o->next) {
diff --git a/fluid/widget_panel.cxx b/fluid/widget_panel.cxx
index 1fd59d4e0..df21f7d67 100644
--- a/fluid/widget_panel.cxx
+++ b/fluid/widget_panel.cxx
@@ -274,7 +274,8 @@ Fl_Double_Window* make_widget_panel() {
o->callback((Fl_Callback*)position_group_cb);
o->align(Fl_Align(FL_ALIGN_LEFT));
{ widget_x_input = new Fluid_Coord_Input(95, 150, 55, 20, "X:");
- widget_x_input->tooltip("The X position of the widget.");
+ widget_x_input->tooltip("The X position of the widget as a number or formula.\nFormulas can be simple \
+math, including the variables\nx, px, sx, cx, and i");
widget_x_input->box(FL_DOWN_BOX);
widget_x_input->color(FL_BACKGROUND2_COLOR);
widget_x_input->selection_color(FL_SELECTION_COLOR);
@@ -288,7 +289,8 @@ Fl_Double_Window* make_widget_panel() {
widget_x_input->when(FL_WHEN_RELEASE);
} // Fluid_Coord_Input* widget_x_input
{ widget_y_input = new Fluid_Coord_Input(155, 150, 55, 20, "Y:");
- widget_y_input->tooltip("The Y position of the widget.");
+ widget_y_input->tooltip("The Y position of the widget as a number or formula.\nFormulas can be simple \
+math, including the variables\ny, py, sy, cy, and i");
widget_y_input->box(FL_DOWN_BOX);
widget_y_input->color(FL_BACKGROUND2_COLOR);
widget_y_input->selection_color(FL_SELECTION_COLOR);
@@ -302,7 +304,8 @@ Fl_Double_Window* make_widget_panel() {
widget_y_input->when(FL_WHEN_RELEASE);
} // Fluid_Coord_Input* widget_y_input
{ widget_w_input = new Fluid_Coord_Input(215, 150, 55, 20, "Width:");
- widget_w_input->tooltip("The width of the widget.");
+ widget_w_input->tooltip("The width of the widget as a number or formula.\nFormulas can be simple math,\
+ including the variables\nw, pw, sw, cw, and i");
widget_w_input->box(FL_DOWN_BOX);
widget_w_input->color(FL_BACKGROUND2_COLOR);
widget_w_input->selection_color(FL_SELECTION_COLOR);
@@ -316,7 +319,8 @@ Fl_Double_Window* make_widget_panel() {
widget_w_input->when(FL_WHEN_RELEASE);
} // Fluid_Coord_Input* widget_w_input
{ widget_h_input = new Fluid_Coord_Input(275, 150, 55, 20, "Height:");
- widget_h_input->tooltip("The height of the widget.");
+ widget_h_input->tooltip("The height of the widget as a number or formula.\nFormulas can be simple math\
+, including the variables\nh, ph, sh, ch, and i");
widget_h_input->box(FL_DOWN_BOX);
widget_h_input->color(FL_BACKGROUND2_COLOR);
widget_h_input->selection_color(FL_SELECTION_COLOR);
diff --git a/fluid/widget_panel.fl b/fluid/widget_panel.fl
index 149902ccb..798a386ac 100644
--- a/fluid/widget_panel.fl
+++ b/fluid/widget_panel.fl
@@ -264,30 +264,38 @@ Use Ctrl-J for newlines.} xywh {95 40 190 20} labelfont 1 labelsize 11 when 1 te
Fl_Input widget_x_input {
label {X:}
callback x_cb
- tooltip {The X position of the widget.} xywh {95 150 55 20} labelsize 11 align 5 textsize 11
+ tooltip {The X position of the widget as a number or formula.
+Formulas can be simple math, including the variables
+x, px, sx, cx, and i} xywh {95 150 55 20} labelsize 11 align 5 textsize 11
class Fluid_Coord_Input
}
Fl_Input widget_y_input {
label {Y:}
callback y_cb
- tooltip {The Y position of the widget.} xywh {155 150 55 20} labelsize 11 align 5 textsize 11
+ tooltip {The Y position of the widget as a number or formula.
+Formulas can be simple math, including the variables
+y, py, sy, cy, and i} xywh {155 150 55 20} labelsize 11 align 5 textsize 11
class Fluid_Coord_Input
}
Fl_Input widget_w_input {
label {Width:}
callback w_cb
- tooltip {The width of the widget.} xywh {215 150 55 20} labelsize 11 align 5 textsize 11
+ tooltip {The width of the widget as a number or formula.
+Formulas can be simple math, including the variables
+w, pw, sw, cw, and i} xywh {215 150 55 20} labelsize 11 align 5 textsize 11
class Fluid_Coord_Input
}
Fl_Input widget_h_input {
label {Height:}
- callback h_cb
- tooltip {The height of the widget.} xywh {275 150 55 20} labelsize 11 align 5 textsize 11
+ callback h_cb selected
+ tooltip {The height of the widget as a number or formula.
+Formulas can be simple math, including the variables
+h, ph, sh, ch, and i} xywh {275 150 55 20} labelsize 11 align 5 textsize 11
class Fluid_Coord_Input
}
Fl_Choice {} {
label {Children:}
- callback wc_relative_cb open selected
+ callback wc_relative_cb open
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 {} {
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-08 19:51:08 +0000