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-rw-r--r--app.lua16
-rw-r--r--keychord.lua10
-rw-r--r--main.lua10
-rw-r--r--text_tests.lua28
4 files changed, 57 insertions, 7 deletions
diff --git a/app.lua b/app.lua
index 99c1cd2..b00506b 100644
--- a/app.lua
+++ b/app.lua
@@ -186,6 +186,18 @@ function App.setClipboardText(s)
   App.clipboard = s
 end
 
+App.modifier_keys = {}
+function App.keypress(key)
+  App.modifier_keys[key] = true
+end
+function App.keyrelease(key)
+  App.modifier_keys[key] = nil
+end
+
+function App.modifier_down(key)
+  return App.modifier_keys[key]
+end
+
 function App.run_after_textinput(t)
   App.textinput(t)
   App.screen.contents = {}
@@ -267,6 +279,9 @@ function App.disable_tests()
   App.filesystem = nil
   App.run_after_textinput = nil
   App.run_after_keychord = nil
+  App.keypress = nil
+  App.keyrelease = nil
+  App.modifier_keys = nil
   -- other methods dispatch to real hardware
   App.screen.print = love.graphics.print
   App.newText = love.graphics.newText
@@ -275,4 +290,5 @@ function App.disable_tests()
   App.open_for_writing = function(filename) return io.open(filename, 'w') end
   App.getClipboardText = love.system.getClipboardText
   App.setClipboardText = love.system.setClipboardText
+  App.modifier_down = love.keyboard.isDown
 end
diff --git a/keychord.lua b/keychord.lua
index 4cdee2b..31db16d 100644
--- a/keychord.lua
+++ b/keychord.lua
@@ -28,24 +28,24 @@ function App.combine_modifiers(key)
   return result
 end
 
-function App.modifier_down()
+function App.any_modifier_down()
   return App.ctrl_down() or App.alt_down() or App.shift_down() or App.cmd_down()
 end
 
 function App.ctrl_down()
-  return love.keyboard.isDown('lctrl') or love.keyboard.isDown('rctrl')
+  return App.modifier_down('lctrl') or App.modifier_down('rctrl')
 end
 
 function App.alt_down()
-  return love.keyboard.isDown('lalt') or love.keyboard.isDown('ralt')
+  return App.modifier_down('lalt') or App.modifier_down('ralt')
 end
 
 function App.shift_down()
-  return love.keyboard.isDown('lshift') or love.keyboard.isDown('rshift')
+  return App.modifier_down('lshift') or App.modifier_down('rshift')
 end
 
 function App.cmd_down()
-  return love.keyboard.isDown('lgui') or love.keyboard.isDown('rgui')
+  return App.modifier_down('lgui') or App.modifier_down('rgui')
 end
 
 array = {}
diff --git a/main.lua b/main.lua
index 3e60d19..3801a3f 100644
--- a/main.lua
+++ b/main.lua
@@ -196,9 +196,14 @@ function App.mousepressed(x,y, mouse_button)
   for line_index,line in ipairs(Lines) do
     if line.mode == 'text' then
       if Text.in_line(line, x,y) then
+        if App.shift_down() then
+          Selection1 = {line=Cursor1.line, pos=Cursor1.pos}
+        end
         Cursor1.line = line_index
         Cursor1.pos = Text.to_pos_on_line(line, x, y)
-        Selection1 = {line=Cursor1.line, pos=Cursor1.pos}
+        if not App.shift_down() then
+          Selection1 = {line=Cursor1.line, pos=Cursor1.pos}
+        end
       end
     elseif line.mode == 'drawing' then
       if Drawing.in_drawing(line, x, y) then
@@ -218,12 +223,13 @@ function App.mousereleased(x,y, button)
         if Text.in_line(line, x,y) then
           Cursor1.line = line_index
           Cursor1.pos = Text.to_pos_on_line(line, x, y)
-          if Text.eq1(Cursor1, Selection1) then
+          if Text.eq1(Cursor1, Selection1) and not App.shift_down() then
             Selection1 = {}
           end
         end
       end
     end
+--?     print('select:', Selection1.line, Selection1.pos)
   end
 end
 
diff --git a/text_tests.lua b/text_tests.lua
index 91b3b46..8272faf 100644
--- a/text_tests.lua
+++ b/text_tests.lua
@@ -159,11 +159,39 @@ function test_move_cursor_using_mouse()
   Cursor1 = {line=1, pos=1}
   Screen_top1 = {line=1, pos=1}
   Screen_bottom1 = {}
+  Selection1 = {}
   App.draw()  -- populate line.y for each line in Lines
   local screen_left_margin = 25  -- pixels
   App.run_after_mouserelease(screen_left_margin+8,Margin_top+5, '1')
   check_eq(Cursor1.line, 1, 'F - test_move_cursor_using_mouse/cursor:line')
   check_eq(Cursor1.pos, 2, 'F - test_move_cursor_using_mouse/cursor:pos')
+  check_nil(Selection1.line, 'F - test_move_cursor_using_mouse/selection:line')
+  check_nil(Selection1.pos, 'F - test_move_cursor_using_mouse/selection:pos')
+end
+
+function test_select_text_using_mouse()
+  io.write('\ntest_select_text_using_mouse')
+  App.screen.init{width=50, height=60}
+  Lines = load_array{'abc', 'def', 'xyz'}
+  Line_width = App.screen.width
+  Cursor1 = {line=1, pos=1}
+  Screen_top1 = {line=1, pos=1}
+  Screen_bottom1 = {}
+  Selection1 = {}
+  App.draw()  -- populate line.y for each line in Lines
+  local screen_left_margin = 25  -- pixels
+  -- click on first location
+  App.run_after_mousepress(screen_left_margin+8,Margin_top+5, '1')
+  App.run_after_mouserelease(screen_left_margin+8,Margin_top+5, '1')
+  -- hold down shift and click somewhere else
+  App.keypress('lshift')
+  App.run_after_mousepress(screen_left_margin+20,Margin_top+5, '1')
+  App.run_after_mouserelease(screen_left_margin+20,Margin_top+Line_height+5, '1')
+  App.keyrelease('lshift')
+  check_eq(Cursor1.line, 2, 'F - test_select_text_using_mouse/cursor:line')
+  check_eq(Cursor1.pos, 4, 'F - test_select_text_using_mouse/cursor:pos')
+  check_eq(Selection1.line, 1, 'F - test_select_text_using_mouse/selection:line')
+  check_eq(Selection1.pos, 2, 'F - test_select_text_using_mouse/selection:pos')
 end
 
 function test_pagedown()