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[Wxruby-development] [680] trunk/wxruby2/samples/printing/printing.rb: Cleaned up to use the Ruby naming convention, added #! line, now uses Wx default ID''s in standard menu items.

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<title>[680] trunk/wxruby2/samples/printing/printing.rb: Cleaned up to use
the Ruby naming convention, added #! line, now uses Wx default ID''s in
standard menu items.</title>
</head>
<body>

<div id="msg">
<dl>
<dt>Revision</dt> <dd>680</dd>
<dt>Author</dt> <dd>seanlong</dd>
<dt>Date</dt> <dd>2006-10-17 14:03:26 -0400 (Tue, 17 Oct
2006)</dd>
</dl>

<h3>Log Message</h3>
<pre>Cleaned up to use the Ruby naming convention, added #! line, now uses
Wx default ID''s in standard menu items.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a
href="#trunkwxruby2samplesprintingprintingrb">trunk/wxruby2/samples/printing/printing.rb</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwxruby2samplesprintingprintingrb"></a>
<div class="modfile"><h4>Modified:
trunk/wxruby2/samples/printing/printing.rb (679 => 680)</h4>
<pre class="diff"><span>
<span class="info">---
trunk/wxruby2/samples/printing/printing.rb&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp2006-10-17
17:15:41 UTC (rev 679)
+++
trunk/wxruby2/samples/printing/printing.rb&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp2006-10-17
18:03:26 UTC (rev 680)
</span><span class="lines">@@ -1,15 +1,19 @@
</span><ins>+#!/usr/bin/env ruby
+# wxRuby2 Sample Code. Copyright (c) 2004-2006 Kevin B. Smith
+# Freely reusable code: see SAMPLES-LICENSE.TXT for details
+
</ins><span class="cx"> require ''wx''
</span><span class="cx"> 
</span><del>-WXPRINT_QUIT           = 100
-WXPRINT_PRINT          = 101
-WXPRINT_PAGE_SETUP     = 103
-WXPRINT_PREVIEW        = 104
</del><ins>+WXPRINT_QUIT           = Wx::ID_EXIT
+WXPRINT_PRINT          = Wx::ID_PRINT
+WXPRINT_PAGE_SETUP     = Wx::ID_PRINT_SETUP
+WXPRINT_PREVIEW        = Wx::ID_PREVIEW
</ins><span class="cx"> 
</span><span class="cx"> WXPRINT_PRINT_PS       = 105
</span><span class="cx"> WXPRINT_PAGE_SETUP_PS  = 107
</span><span class="cx"> WXPRINT_PREVIEW_PS     = 108
</span><span class="cx"> 
</span><del>-WXPRINT_ABOUT          = 109
</del><ins>+WXPRINT_ABOUT          = Wx::ID_ABOUT
</ins><span class="cx"> 
</span><span class="cx"> WXPRINT_ANGLEUP        = 110
</span><span class="cx"> WXPRINT_ANGLEDOWN      = 111
</span><span class="lines">@@ -54,10 +58,8 @@
</span><span class="cx"> 
</span><span class="cx">     dc.draw_text( "Test
message: this is in 10 point text", 10, 180)
</span><span class="cx"> 
</span><del>-#if wxUSE_UNICODE
</del><span class="cx">     test = "Hebrew    שלום --
Japanese (日本語)"
</span><span class="cx">     dc.draw_text( test, 10, 200 )
</span><del>-#endif
</del><span class="cx"> 
</span><span class="cx">     points = []
</span><span class="cx">     points <<
Wx::Point.new(0,0)
</span><span class="lines">@@ -126,9 +128,9 @@
</span><span class="cx">   end
</span><span class="cx">   
</span><span class="cx">   def on_print(event)
</span><del>-    printDialogData =
Wx::PrintDialogData.new(Wx::get_app.print_data)
</del><ins>+    print_dialog_data =
Wx::PrintDialogData.new(Wx::get_app.print_data)
</ins><span class="cx"> 
</span><del>-    printer = Wx::Printer.new(printDialogData)
</del><ins>+    printer = Wx::Printer.new(print_dialog_data)
</ins><span class="cx">     printout =
MyPrintout.new("My printout")
</span><span class="cx">     if (!printer.print(self,
printout, true))
</span><span class="cx">         if
(Wx::Printer.get_last_error == Wx::PRINTER_ERROR)
</span><span class="lines">@@ -143,8 +145,8 @@
</span><span class="cx">   
</span><span class="cx">   def on_print_preview(event)
</span><span class="cx">     # Pass two printout objects:
for preview, and possible printing.
</span><del>-    printDialogData =
Wx::PrintDialogData.new(Wx::get_app.print_data)
-    preview = Wx::PrintPreview.new(MyPrintout.new, MyPrintout.new,
printDialogData)
</del><ins>+    print_dialog_data =
Wx::PrintDialogData.new(Wx::get_app.print_data)
+    preview = Wx::PrintPreview.new(MyPrintout.new, MyPrintout.new,
print_dialog_data)
</ins><span class="cx">     if (!preview.ok)
</span><span class="cx">         #delete preview;
</span><span class="cx">        
Wx::message_box("There was a problem previewing.\nPerhaps your current
printer is not set correctly?", "Previewing", Wx::OK)
</span><span class="lines">@@ -159,14 +161,11 @@
</span><span class="cx">   
</span><span class="cx">   def on_page_setup(event)
</span><span class="cx">     Wx::get_app.page_setup_data =
Wx::PageSetupDialogData.new(Wx::get_app.print_data)
</span><del>-    pageSetupDialog = Wx::PageSetupDialog.new(self,
Wx::get_app.page_setup_data)
-#    pageSetupDialog = Wx::PageSetupDialog.new(self)
-    pageSetupDialog.show_modal
</del><ins>+    page_setup_dialog = Wx::PageSetupDialog.new(self,
Wx::get_app.page_setup_data)
+    page_setup_dialog.show_modal
</ins><span class="cx"> 
</span><del>-
-    Wx::get_app.print_data = pageSetupDialog.get_page_setup_data.get_print_data
</del><ins>+    Wx::get_app.print_data =
page_setup_dialog.get_page_setup_data.get_print_data
</ins><span class="cx">     Wx::get_app.page_setup_data =
Wx::PageSetupDialogData.new(Wx::get_app.print_data)
</span><del>-#    Wx::get_app.page_setup_data =
pageSetupDialog.get_page_setup_data
</del><span class="cx">   end
</span><span class="cx"> 
</span><span class="cx">   def on_exit(event)
</span><span class="lines">@@ -223,8 +222,8 @@
</span><span class="cx">     end
</span><span class="cx">   end
</span><span class="cx">   
</span><del>-  def on_begin_document(startPage,endPage)
-    go_ahead = super(startPage, endPage)
</del><ins>+  def on_begin_document(start_page,end_page)
+    go_ahead = super(start_page, end_page)
</ins><span class="cx">     if (!go_ahead)
</span><span class="cx">         return false
</span><span class="cx">     end
</span><span class="lines">@@ -236,11 +235,11 @@
</span><span class="cx">   end
</span><span class="cx">   
</span><span class="cx">   def get_page_info
</span><del>-    minPage = 1
-    maxPage = 2
-    selPageFrom = 1
-    selPageTo = 2
-    [minPage,maxPage,selPageFrom,selPageTo]
</del><ins>+    min_page = 1
+    max_page = 2
+    sel_page_from = 1
+    sel_page_to = 2
+    [min_page,max_page,sel_page_from,sel_page_to]
</ins><span class="cx">   end
</span><span class="cx"> 
</span><span class="cx">   def draw_page_one(dc)
</span><span class="lines">@@ -249,39 +248,39 @@
</span><span class="cx"> 
</span><span class="cx">     # We know the graphic is
200x200. If we didn''t know this,
</span><span class="cx">     # we''d need to
calculate it.
</span><del>-    maxX = 200
-    maxY = 200
</del><ins>+    max_x = 200
+    max_y = 200
</ins><span class="cx"> 
</span><span class="cx">     # Let''s have at
least 50 device units margin
</span><del>-    marginX = 50
-    marginY = 50
</del><ins>+    margin_x = 50
+    margin_y = 50
</ins><span class="cx"> 
</span><span class="cx">     # Add the margin to the
graphic size
</span><del>-    maxX += (2*marginX)
-    maxY += (2*marginY)
</del><ins>+    max_x += (2*margin_x)
+    max_y += (2*margin_y)
</ins><span class="cx"> 
</span><span class="cx">     # Get the size of the DC in
pixels
</span><span class="cx">     w, h = dc.get_size
</span><span class="cx"> 
</span><span class="cx">     # Calculate a suitable
scaling factor
</span><del>-    scaleX=(w/maxX)
-    scaleY=(h/maxY)
</del><ins>+    scale_x=(w/max_x)
+    scale_y=(h/max_y)
</ins><span class="cx"> 
</span><span class="cx">     # Use x or y scaling factor,
whichever fits on the DC
</span><span class="cx">     #actualScale =
Wx::min(scaleX,scaleY)
</span><del>-    if scaleX < scaleY
-      actualScale = scaleX
</del><ins>+    if scale_x < scale_y
+      actual_scale = scale_x
</ins><span class="cx">     else
</span><del>-      actualScale = scaleY
</del><ins>+      actual_scale = scale_y
</ins><span class="cx">     end
</span><span class="cx"> 
</span><span class="cx">     # Calculate the position on
the DC for centring the graphic
</span><del>-    posX = ((w - (200*actualScale))/2.0)
-    posY = ((h - (200*actualScale))/2.0)
</del><ins>+    pos_x = ((w - (200*actual_scale))/2.0)
+    pos_y = ((h - (200*actual_scale))/2.0)
</ins><span class="cx"> 
</span><span class="cx">     # Set the scale and origin
</span><del>-    dc.set_user_scale(actualScale, actualScale)
-    dc.set_device_origin( posX.to_i, posY.to_i )
</del><ins>+    dc.set_user_scale(actual_scale, actual_scale)
+    dc.set_device_origin( pos_x.to_i, pos_y.to_i )
</ins><span class="cx"> 
</span><span class="cx">     Wx::get_app.frame.draw(dc)
</span><span class="cx">   end
</span><span class="lines">@@ -292,26 +291,26 @@
</span><span class="cx">     # 5cm on the page.
</span><span class="cx"> 
</span><span class="cx">     # Get the logical pixels per
inch of screen and printer
</span><del>-    ppiScreenX, ppiScreenY = get_ppi_screen
-    ppiPrinterX, ppiPrinterY = get_ppi_printer
</del><ins>+    ppi_screen_x, ppi_screen_y = get_ppi_screen
+    ppi_printer_x, ppi_printer_y = get_ppi_printer
</ins><span class="cx"> 
</span><span class="cx">     # This scales the DC so that
the printout roughly represents the
</span><span class="cx">     # the screen scaling. The
text point size _should_ be the right size
</span><span class="cx">     # but in fact is too small
for some reason. This is a detail that will
</span><span class="cx">     # need to be addressed at
some point but can be fudged for the
</span><span class="cx">     # moment.
</span><del>-    scale = (ppiPrinterX/ppiScreenX)
</del><ins>+    scale = (ppi_printer_x/ppi_screen_x)
</ins><span class="cx"> 
</span><span class="cx">     # Now we have to check in
case our real page size is reduced
</span><span class="cx">     # (e.g. because
we''re drawing to a print preview memory DC)
</span><del>-    pageWidth, pageHeight = get_page_size_pixels
</del><ins>+    page_width, page_height = get_page_size_pixels
</ins><span class="cx">     w, h = dc.get_size
</span><span class="cx">     
</span><span class="cx"> 
</span><span class="cx">     # If printer pageWidth ==
current DC width, then this doesn''t
</span><span class="cx">     # change. But w might be the
preview bitmap width, so scale down.
</span><del>-    overallScale = scale * (w/pageWidth)
-    dc.set_user_scale(overallScale, overallScale)
</del><ins>+    overall_scale = scale * (w/page_width)
+    dc.set_user_scale(overall_scale, overall_scale)
</ins><span class="cx"> 
</span><span class="cx">     # Calculate conversion factor
for converting millimetres into
</span><span class="cx">     # logical units.
</span><span class="lines">@@ -322,11 +321,11 @@
</span><span class="cx">     # unscale to pass logical
units to DrawLine.
</span><span class="cx"> 
</span><span class="cx">     # Draw 50 mm by 50 mm L shape
</span><del>-    logUnitsFactor = (ppiPrinterX/(scale*25.4))
-    logUnits = (50*logUnitsFactor)
</del><ins>+    log_units_factor = (ppi_printer_x/(scale*25.4))
+    log_units = (50*log_units_factor)
</ins><span class="cx">     dc.set_pen(Wx::BLACK_PEN)
</span><del>-    dc.draw_line(50, 250, (50.0 + logUnits).to_i, 250)
-    dc.draw_line(50, 250, 50, (250.0 + logUnits).to_i)
</del><ins>+    dc.draw_line(50, 250, (50.0 + log_units).to_i, 250)
+    dc.draw_line(50, 250, 50, (250.0 + log_units).to_i)
</ins><span class="cx"> 
</span><span class="cx">    
dc.set_background_mode(Wx::TRANSPARENT)
</span><span class="cx">    
dc.set_brush(Wx::TRANSPARENT_BRUSH)
</span><span class="lines">@@ -352,48 +351,46 @@
</span><span class="cx"> 
</span><span class="cx">     dc.draw_text("Some test
text", 200, 300 )
</span><span class="cx"> 
</span><del>-    # TESTING
</del><ins>+    left_margin = 20
+    right_margin = 20
+    top_margin = 20
+    bottom_margin = 20
</ins><span class="cx"> 
</span><del>-    leftMargin = 20
-    rightMargin = 20
-    topMargin = 20
-    bottomMargin = 20
</del><ins>+    page_width_mm, page_height_mm = get_page_size_mm
</ins><span class="cx"> 
</span><del>-    pageWidthMM, pageHeightMM = get_page_size_mm
</del><ins>+    left_margin_logical =
(log_units_factor*left_margin).to_i
+    top_margin_logical = (log_units_factor*top_margin).to_i
+    bottom_margin_logical = (log_units_factor*(page_height_mm -
bottom_margin)).to_i
+    right_margin_logical = (log_units_factor*(page_width_mm -
right_margin)).to_i
</ins><span class="cx"> 
</span><del>-    leftMarginLogical = (logUnitsFactor*leftMargin)
-    topMarginLogical = (logUnitsFactor*topMargin)
-    bottomMarginLogical = (logUnitsFactor*(pageHeightMM - bottomMargin))
-    rightMarginLogical = (logUnitsFactor*(pageWidthMM - rightMargin))
-
</del><span class="cx">     dc.set_pen(Wx::RED_PEN)
</span><del>-    dc.draw_line( leftMarginLogical.to_i,
topMarginLogical.to_i,
-        rightMarginLogical.to_i, topMarginLogical.to_i)
-    dc.draw_line( leftMarginLogical.to_i, bottomMarginLogical.to_i,
-        rightMarginLogical.to_i,  bottomMarginLogical.to_i)
</del><ins>+    dc.draw_line( left_margin_logical,
top_margin_logical,
+                  right_margin_logical, top_margin_logical)
+    dc.draw_line( left_margin_logical, bottom_margin_logical,
+                  right_margin_logical,  bottom_margin_logical)
</ins><span class="cx"> 
</span><del>-    write_page_header(self, dc, "A header",
logUnitsFactor)
</del><ins>+    write_page_header(self, dc, "A header",
log_units_factor)
</ins><span class="cx">   end
</span><span class="cx">   
</span><span class="cx">   # Writes a header on a page.
Margin units are in millimetres.
</span><del>-  def write_page_header(printout, dc, text,
mmToLogical)
-    pageWidthMM, pageHeightMM = printout.get_page_size_mm
</del><ins>+  def write_page_header(printout, dc, text,
mm_to_logical)
+    page_width_mm, page_height_mm = printout.get_page_size_mm
</ins><span class="cx"> 
</span><del>-    leftMargin = 10
-    topMargin = 10
-    rightMargin = 10
</del><ins>+    left_margin = 10
+    top_margin = 10
+    right_margin = 10
</ins><span class="cx"> 
</span><del>-    leftMarginLogical = (mmToLogical*leftMargin)
-    topMarginLogical = (mmToLogical*topMargin)
-    rightMarginLogical = (mmToLogical*(pageWidthMM - rightMargin))
</del><ins>+    left_margin_logical =
(mm_to_logical*left_margin).to_i
+    top_margin_logical = (mm_to_logical*top_margin).to_i
+    right_margin_logical = (mm_to_logical*(page_width_mm - right_margin)).to_i
</ins><span class="cx"> 
</span><del>-    xExtent, yExtent= dc.get_text_extent(text)
-    xPos = (((((pageWidthMM - leftMargin -
rightMargin)/2.0)+leftMargin)*mmToLogical) - (xExtent/2.0))
-    dc.draw_text(text, xPos.to_i, topMarginLogical.to_i)
</del><ins>+    x_extent, y_extent= dc.get_text_extent(text)
+    x_pos = (((((page_width_mm - left_margin -
right_margin)/2.0)+left_margin)*mm_to_logical) - (x_extent/2.0))
+    dc.draw_text(text, x_pos.to_i, top_margin_logical)
</ins><span class="cx"> 
</span><span class="cx">     dc.set_pen(Wx::BLACK_PEN)
</span><del>-    dc.draw_line( leftMarginLogical.to_i,
(topMarginLogical+yExtent).to_i,
-        rightMarginLogical.to_i, (topMarginLogical+yExtent).to_i )
</del><ins>+    dc.draw_line( left_margin_logical,
(top_margin_logical+y_extent).to_i,
+                  right_margin_logical, (top_margin_logical+yExtent).to_i )
</ins><span class="cx"> 
</span><span class="cx">     return true
</span><span class="cx">   end  
</span><span class="lines">@@ -406,7 +403,7 @@
</span><span class="cx">     @test_font = Wx::Font.new(10,
Wx::SWISS, Wx::NORMAL, Wx::NORMAL)
</span><span class="cx"> 
</span><span class="cx">     # Create the main frame
window
</span><del>-    @frame = MyFrame.new(nil, "wxWidgets Printing
Demo", Wx::Point.new(0, 0), Wx::Size.new(400, 400))
</del><ins>+    @frame = MyFrame.new(nil, "wxRuby Printing
Demo", Wx::Point.new(0, 0), Wx::Size.new(400, 400))
</ins><span class="cx"> 
</span><span class="cx">     # Give it a status line
</span><span class="cx">     @frame.create_status_bar(2)
</span><span class="lines">@@ -435,13 +432,13 @@
</span><span class="cx"> =end
</span><span class="cx"> 
</span><span class="cx">     file_menu.append_separator()
</span><del>-    file_menu.append(WXPRINT_ANGLEUP, "Angle
up\tAlt-U",                "Raise rotated text angle")
-    file_menu.append(WXPRINT_ANGLEDOWN, "Angle down\tAlt-D",         
"Lower rotated text angle")
</del><ins>+    file_menu.append(WXPRINT_ANGLEUP, "Angle
up\tAlt-U","Raise rotated text angle")
+    file_menu.append(WXPRINT_ANGLEDOWN, "Angle
down\tAlt-D","Lower rotated text angle")
</ins><span class="cx">     file_menu.append_separator()
</span><del>-    file_menu.append(WXPRINT_QUIT,
"E&xit",                "Exit program")
</del><ins>+    file_menu.append(WXPRINT_QUIT,
"E&xit","Exit program")
</ins><span class="cx"> 
</span><span class="cx">     help_menu = Wx::Menu.new
</span><del>-    help_menu.append(WXPRINT_ABOUT,
"&About",              "About this demo")
</del><ins>+    help_menu.append(WXPRINT_ABOUT,
"&About","About this demo")
</ins><span class="cx"> 
</span><span class="cx">     menu_bar = Wx::MenuBar.new
</span><span class="cx"> 
</span><span class="lines">@@ -463,7 +460,6 @@
</span><span class="cx"> 
</span><span class="cx">    
@frame.set_status_text("Printing demo")
</span><span class="cx"> 
</span><del>-
</del><span class="cx">     set_top_window(@frame)
</span><span class="cx">     
</span><span class="cx">     @print_data =
Wx::PrintData.new
</span></span></pre>
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