Cartesian coordinates overlay

5 files changed, 262 insertions, 1 deletions

diff --git a/TurtleArtActivity.py b/TurtleArtActivity.py
index 129d17d..b4d4b23 100644
--- a/TurtleArtActivity.py
+++ b/TurtleArtActivity.py
@@ -151,7 +151,7 @@ class TurtleArtActivity(activity.Activity):
             toolbar_box.toolbar.insert(edit_toolbar_button, -1)
             edit_toolbar_button.show()
 
-            # The view toolbar -- just full screen
+            # The view toolbar
             view_toolbar = gtk.Toolbar()
             fullscreen_button = ToolButton('view-fullscreen')
             fullscreen_button.set_tooltip(_("Fullscreen"))
@@ -160,6 +160,12 @@ class TurtleArtActivity(activity.Activity):
             view_toolbar.insert(fullscreen_button,-1)
             fullscreen_button.show()
 
+            Cartesian_button = ToolButton('view-Cartesian')
+            Cartesian_button.set_tooltip(_("Cartesian coordinates"))
+            Cartesian_button.connect('clicked', self._do_Cartesian_cb)
+            view_toolbar.insert(Cartesian_button,-1)
+            Cartesian_button.show()
+
             view_toolbar_button = ToolbarButton(
                     page=view_toolbar,
                     icon_name='toolbar-view')
@@ -684,6 +690,15 @@ class TurtleArtActivity(activity.Activity):
         self.step_button.set_icon("run-slowoff")
         self.run_button.set_icon("run-fastoff")
 
+    def _do_Cartesian_cb(self, button):
+        if self.tw.Cartesian is True:
+            tawindow.hide(self.tw.Cartesian_coordinates_spr)
+            self.tw.Cartesian = False
+        else:
+            tawindow.setlayer(self.tw.Cartesian_coordinates_spr,700)
+            self.tw.Cartesian = True
+
+
     """ Sample projects open dialog """
     def _do_samples_cb(self, button):
         tawindow.load_file(self.tw, True)
diff --git a/icons/view-Cartesian.svg b/icons/view-Cartesian.svg
new file mode 100644
index 0000000..3d0e210
--- /dev/null
+++ b/icons/view-Cartesian.svg
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.0"
+   width="55"
+   height="55"
+   id="svg2384">
+  <defs
+     id="defs2386" />
+  <g
+     id="layer1">
+    <rect
+       width="50"
+       height="50"
+       x="2.5"
+       y="2.5"
+       id="rect2394"
+       style="opacity:1;fill:none;fill-opacity:1;fill-rule:nonzero;stroke:#ffffff;stroke-width:3.5;stroke-linecap:square;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+    <path
+       d="M 27.333333,1 C 28.083333,50.75 27.333333,54 27.333333,54"
+       id="path3168"
+       style="fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:3.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+    <path
+       d="M 54,27.333333 C 4.2499997,28.083333 1,27.333333 1,27.333333"
+       id="path3170"
+       style="fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:3.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/images/Cartesian.svg b/images/Cartesian.svg
new file mode 100644
index 0000000..dc06f3d
--- /dev/null
+++ b/images/Cartesian.svg
@@ -0,0 +1,209 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.0"
+   width="1200"
+   height="900"
+   id="svg2">
+  <defs
+     id="defs4" />
+  <g
+     id="layer1">
+    <path
+       d="M 0,850 L 1200,850"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 0,750 L 1200,750"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 0,650 L 1200,650"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 0,550 L 1200,550"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 0,350 L 1200,350"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 0,250 L 1200,250"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 0,150 L 1200,150"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 0,50 L 1200,50"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 1100,0 L 1100,900"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 1000,0 L 1000,900"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 900,0 L 900,900"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 800,0 L 800,900"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 700,0 L 700,900"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 500,0 L 500,900"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 400,0 L 400,900"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 300,0 L 300,900"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 200,0 L 200,900"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 100,0 L 100,900"
+       style="fill:none;stroke:#AAAAAA;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 590,850 L 610,850"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 590,750 L 610,750"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 590,650 L 610,650"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 590,550 L 610,550"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 0,450 L 1200,450"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 590,350 L 610,350"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 590,250 L 610,250"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 590,150 L 610,150"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 590,50 L 610,50"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 1100,440 L 1100,460"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 1000,440 L 1000,460"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 900,440 L 900,460"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 800,440 L 800,460"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 700,440 L 700,460"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 600,0 L 600,900"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 500,440 L 500,460"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 400,440 L 400,460"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 300,440 L 300,460"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 200,440 L 200,460"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <path
+       d="M 100,440 L 100,460"
+       style="fill:none;stroke:#000000;stroke-width:1px;stroke-opacity:1" />
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#0000FF;fill-opacity:1;stroke:none;text-anchor:middle;text-align:center;font-family:Bitstream Vera Sans"><tspan
+         x="95"
+         y="480">–500</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#0000FF;fill-opacity:1;stroke:none;text-anchor:middle;text-align:center;font-family:Bitstream Vera Sans"><tspan
+         x="195"
+         y="480">–400</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#0000FF;fill-opacity:1;stroke:none;text-anchor:middle;text-align:center;font-family:Bitstream Vera Sans"><tspan
+         x="295"
+         y="480">–300</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#0000FF;fill-opacity:1;stroke:none;text-anchor:middle;text-align:center;font-family:Bitstream Vera Sans"><tspan
+         x="395"
+         y="480">–200</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#0000FF;fill-opacity:1;stroke:none;text-anchor:middle;text-align:center;font-family:Bitstream Vera Sans"><tspan
+         x="495"
+         y="480">–100</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#0000FF;fill-opacity:1;stroke:none;text-anchor:middle;text-align:center;font-family:Bitstream Vera Sans"><tspan
+         x="650"
+         y="480">x</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#0000FF;fill-opacity:1;stroke:none;text-anchor:middle;text-align:center;font-family:Bitstream Vera Sans"><tspan
+         x="700"
+         y="480">100</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#0000FF;fill-opacity:1;stroke:none;text-anchor:middle;text-align:center;font-family:Bitstream Vera Sans"><tspan
+         x="800"
+         y="480">200</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#0000FF;fill-opacity:1;stroke:none;text-anchor:middle;text-align:center;font-family:Bitstream Vera Sans"><tspan
+         x="900"
+         y="480">300</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#0000FF;fill-opacity:1;stroke:none;text-anchor:middle;text-align:center;font-family:Bitstream Vera Sans"><tspan
+         x="1000"
+         y="480">400</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#0000FF;fill-opacity:1;stroke:none;text-anchor:middle;text-align:center;font-family:Bitstream Vera Sans"><tspan
+         x="1100"
+         y="480">500</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#00AA00;fill-opacity:1;stroke:none;text-anchor:end;text-align:end;font-family:Bitstream Vera Sans"><tspan
+         x="590"
+         y="58">400</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#00AA00;fill-opacity:1;stroke:none;text-anchor:end;text-align:end;font-family:Bitstream Vera Sans"><tspan
+         x="590"
+         y="158">300</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#00AA00;fill-opacity:1;stroke:none;text-anchor:end;text-align:end;font-family:Bitstream Vera Sans"><tspan
+         x="590"
+         y="258">200</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#00AA00;fill-opacity:1;stroke:none;text-anchor:end;text-align:end;font-family:Bitstream Vera Sans"><tspan
+         x="590"
+         y="358">100</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#00AA00;fill-opacity:1;stroke:none;text-anchor:end;text-align:end;font-family:Bitstream Vera Sans"><tspan
+         x="590"
+         y="408">y</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#00AA00;fill-opacity:1;stroke:none;text-anchor:end;text-align:end;font-family:Bitstream Vera Sans"><tspan
+         x="590"
+         y="558">–100</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#00AA00;fill-opacity:1;stroke:none;text-anchor:end;text-align:end;font-family:Bitstream Vera Sans"><tspan
+         x="590"
+         y="658">–200</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#00AA00;fill-opacity:1;stroke:none;text-anchor:end;text-align:end;font-family:Bitstream Vera Sans"><tspan
+         x="590"
+         y="758">–300</tspan></text>
+    <text
+       style="font-size:20px;font-style:normal;font-weight:normal;fill:#00AA00;fill-opacity:1;stroke:none;text-anchor:end;text-align:end;font-family:Bitstream Vera Sans"><tspan
+         x="590"
+         y="858">–400</tspan></text>
+  </g>
+</svg>
diff --git a/tasetup.py b/tasetup.py
index 77c5be9..eac041e 100644
--- a/tasetup.py
+++ b/tasetup.py
@@ -273,6 +273,12 @@ def setup_misc(tw):
     # media blocks that replace other blocks
     tw.media_shapes['pythonloaded'] = \
         load_image(tw.path_lang, 'sensors', 'nop-loaded')
+    # coordinare systems
+    tw.Cartesian_coordinates_spr = sprNew(tw, 0, 0, load_image(tw.path, '', \
+                                          "Cartesian"))
+    tw.Cartesian_coordinates_spr.type = 'coordinates'
+    setlayer(tw.Cartesian_coordinates_spr, 700)
+    hide(tw.Cartesian_coordinates_spr)
     # status shapes get positioned at the bottom of the screen
     tw.status_shapes = {}
     tw.status_shapes['status'] = load_image(tw.path, '', 'status')
diff --git a/tawindow.py b/tawindow.py
index 0578909..30ba715 100644
--- a/tawindow.py
+++ b/tawindow.py
@@ -136,6 +136,7 @@ def twNew(win, path, lang, parent=None):
     tw.buddies = []
     tw.dx = 0
     tw.dy = 0
+    tw.Cartesian = False
     return tw
 
 #