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DiffWindow.pb
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; --------------------------------------------------------------------------------------------
; Copyright (c) Fantaisie Software. All rights reserved.
; Dual licensed under the GPL and Fantaisie Software licenses.
; See LICENSE and LICENSE-FANTAISIE in the project root for license information.
; --------------------------------------------------------------------------------------------
; Diff tools for the PB IDE
;
;- Globals
; Define this to true if the ScintillaGadget supports the following defined messages
; to have a margin with text in it (needs a more recent scintilla version)
; If supported, we can show line numbers (with gaps) in the diff output which is very nice
;
#SCINTILLA_TEXT_MARGIN = #True
; Represents one line in a file to diff
; Used for the markers in the scintilla gadget
;
Enumeration
#DIFF_Empty ; for empty lines when changes are made in other file
#DIFF_Equal
#DIFF_Added
#DIFF_Removed
#DIFF_Changed
#DIFF_StateCount
EndEnumeration
#DIFF_ChangeMarker = #DIFF_StateCount * 2
; future modes may be added here if we have a backup system etc
;
Enumeration
#DIFF_FileToFile
#DIFF_SourceToFile
EndEnumeration
; Represents a block of styled characters for the final diff document
Structure DiffStyleBlock
*Start
Length.l
Lines.l
Style.l
EndStructure
; represents a file entry in directory diff
Structure DiffFile
Name$ ; may differ if FS is case insensitive, but we use only one name for display anyway
Style.l
DateA.l ; last modified
DateB.l
EndStructure
; information about the two files to diff
;
Global DiffA_Size, DiffB_Size
Global DiffA_Lines, DiffB_Lines ; # of lines
Global DiffA_Utf8, DiffB_Utf8 ; is utf8 bom present
Global *DiffA_Buffer, *DiffB_Buffer ; memory buffer containing original files (stays allocated until diff is closed)
Global *DiffA_Start, *DiffB_Start ; buffer offset after BOM (if any)
Global NewList StyleA.DiffStyleBlock() ; resulting diff blocks (stays allocated until diff is closed)
Global NewList StyleB.DiffStyleBlock()
Global DiffA_Title$, DiffB_Title$
Global DiffA_File$, DiffB_File$
Global *DiffSource.SourceFile, DiffMode
; for directory diff
;
Global DiffDirectoryMode ; 0=files only, 1=directory+files, 2=directory only
Global DiffA_Base$, DiffB_Base$, DiffPattern$
Global NewList DiffFiles.DiffFile()
; For the scroll sync
Global DiffScrollX, DiffScrollY, DiffZoom
; For styling
Global DiffStyleGadget, DiffStyleBase, DiffSwapped
Global DiffOpenPattern ; not stored in prefs
Declare UpdateDiffGadget(IsLeft, List Style.DiffStyleBlock(), SetText)
Declare UpdateDiffFileList()
;- Diff window
; Show/hide the progress gadgets and take other appropriate actions
;
Procedure ShowDiffProgress(ShowProgress)
If ShowProgress
State = 0
Else
State = 1
EndIf
HideGadget(#GADGET_Diff_Busy, State)
If DiffDirectoryMode = 0
HideGadget(#GADGET_Diff_Splitter, 1-State)
Else
HideGadget(#GADGET_Diff_FileTitle, 1-State)
If DiffDirectoryMode = 1
HideGadget(#GADGET_Diff_Splitter2, 1-State)
Else
HideGadget(#GADGET_Diff_Files, 1-State)
EndIf
EndIf
EndProcedure
Procedure ResizeDiffSplitterContent() ; triggered on a splitter move
text = Max(GetRequiredHeight(#GADGET_Diff_Title1), 18)
w = GadgetWidth(#GADGET_Diff_Container1)
h = GadgetHeight(#GADGET_Diff_Container1)
ResizeGadget(#GADGET_Diff_Title1, 0, 0, w, text)
ResizeGadget(#GADGET_Diff_File1, 0, text+2, w, h-text-2)
w = GadgetWidth(#GADGET_Diff_Container2)
h = GadgetHeight(#GADGET_Diff_Container2)
ResizeGadget(#GADGET_Diff_Title2, 0, 0, w, text)
ResizeGadget(#GADGET_Diff_File2, 0, text+2, w, h-text-2)
EndProcedure
Procedure UpdateDiffToolbar()
; open tool, swap, refresh, up/down is always on
If DiffDirectoryMode < 2 ; files visible
FileState = 0
Else
FileState = 1
EndIf
DisableToolBarButton(#TOOLBAR_Diff, #MENU_Diff_Open1, FileState)
DisableToolBarButton(#TOOLBAR_Diff, #MENU_Diff_Open2, FileState)
DisableToolBarButton(#TOOLBAR_Diff, #MENU_Diff_Colors, FileState)
DisableToolBarButton(#TOOLBAR_Diff, #MENU_Diff_Vertical, FileState)
If DiffDirectoryMode > 0 ; directory visible
If DiffDirectoryMode = 2
DisableToolBarButton(#TOOLBAR_Diff, #MENU_Diff_HideFiles, 1)
Else
DisableToolBarButton(#TOOLBAR_Diff, #MENU_Diff_HideFiles, 0)
EndIf
Else
DisableToolBarButton(#TOOLBAR_Diff, #MENU_Diff_HideFiles, 1)
EndIf
EndProcedure
Procedure SwitchDirectoryMode(TargetMode)
; adjust the splitters as needed
;
If DiffDirectoryMode <> TargetMode
; required for the creation of the temp gadgets (when switching splitter content)
UseGadgetList(WindowID(#WINDOW_Diff))
Select DiffDirectoryMode
Case 0 ; files only
; need to create the required gadgets now
;
CompilerIf #CompileWindows
TextGadget(#GADGET_Diff_FileTitle, 0, 0, 0, 0, "")
CompilerElse
TextGadget(#GADGET_Diff_FileTitle, 0, 0, 0, 0, "", #PB_Text_Border)
CompilerEndIf
ListIconGadget(#GADGET_Diff_Files, 0, 0, 250, 0, Language("Diff","Filename"), 250, #PB_ListIcon_GridLines|#PB_ListIcon_FullRowSelect|#PB_ListIcon_AlwaysShowSelection)
AddGadgetColumn(#GADGET_Diff_Files, 1, Language("Diff","State"), 100)
AddGadgetColumn(#GADGET_Diff_Files, 2, Language("Diff","Date1"), 130)
AddGadgetColumn(#GADGET_Diff_Files, 3, Language("Diff","Date2"), 130)
If TargetMode = 1
SplitterGadget(#GADGET_Diff_Splitter2, 0, 0, 0, 0, #GADGET_Diff_Files, #GADGET_Diff_Splitter)
SetGadgetAttribute(#GADGET_Diff_Splitter2, #PB_Splitter_FirstMinimumSize, 80)
SetGadgetAttribute(#GADGET_Diff_Splitter2, #PB_Splitter_SecondMinimumSize, 80)
Else
HideGadget(#GADGET_Diff_Splitter, 1)
EndIf
Case 1 ; files and directory
; need to put dummy gadgets in the splitter so it can then be freed without freeing the old content
;
If TargetMode = 0
SetGadgetAttribute(#GADGET_Diff_Splitter2, #PB_Splitter_SecondGadget, TextGadget(#PB_Any,0,0,0,0,""))
FreeGadget(#GADGET_Diff_Splitter2) ; frees the splitter and the listicon
FreeGadget(#GADGET_Diff_FileTitle)
Else
SetGadgetAttribute(#GADGET_Diff_Splitter2, #PB_Splitter_FirstGadget, TextGadget(#PB_Any,0,0,0,0,""))
SetGadgetAttribute(#GADGET_Diff_Splitter2, #PB_Splitter_SecondGadget, TextGadget(#PB_Any,0,0,0,0,""))
FreeGadget(#GADGET_Diff_Splitter2) ; frees only the splitter
HideGadget(#GADGET_Diff_Splitter, 1) ; this one is just hidden, never freed
EndIf
Case 2 ; directory only
HideGadget(#GADGET_Diff_Splitter, 0)
If TargetMode = 0
FreeGadget(#GADGET_Diff_FileTitle)
FreeGadget(#GADGET_Diff_Files)
Else
UseGadgetList(WindowID(#WINDOW_Diff))
SplitterGadget(#GADGET_Diff_Splitter2, 0, 0, 0, 0, #GADGET_Diff_Files, #GADGET_Diff_Splitter)
SetGadgetAttribute(#GADGET_Diff_Splitter2, #PB_Splitter_FirstMinimumSize, 80)
SetGadgetAttribute(#GADGET_Diff_Splitter2, #PB_Splitter_SecondMinimumSize, 80)
EndIf
EndSelect
EndIf
DiffDirectoryMode = TargetMode
; Update toolbar accordingly
UpdateDiffToolbar()
; resize
DiffWindowEvents(#PB_Event_SizeWindow)
ResizeDiffSplitterContent()
EndProcedure
Procedure ShowNextDifference(Gadget, Forward, IsFirst)
If Gadget = #GADGET_Diff_Files Or DiffDirectoryMode = 2 ; use it if only directories are visible too
; directory mode
index = GetGadgetState(#GADGET_Diff_Files)
If index = -1 Or IsFirst
index = 0
ElseIf Forward
index + 1
Else
index - 1
EndIf
If SelectElement(DiffFiles(), index)
Repeat
If DiffFiles()\Style <> #DIFF_Equal
SetGadgetState(#GADGET_Diff_Files, ListIndex(DiffFiles())) ; mark this
Break
ElseIf Forward
Result = NextElement(DiffFiles())
Else
Result = PreviousElement(DiffFiles())
EndIf
Until Result = 0
EndIf
SetActiveGadget(#GADGET_Diff_Files)
Else
; always fallback to File1 if none of the files is selected
If Gadget <> #GADGET_Diff_File2
Gadget = #GADGET_Diff_File1
Other = #GADGET_Diff_File2
Else
Other = #GADGET_Diff_File1
EndIf
If IsFirst
line = ScintillaSendMessage(Gadget, #SCI_MARKERNEXT, 0, 1 << #DIFF_ChangeMarker)
Else
line = ScintillaSendMessage(Gadget, #SCI_LINEFROMPOSITION, ScintillaSendMessage(Gadget, #SCI_GETCURRENTPOS))
If Forward
line = ScintillaSendMessage(Gadget, #SCI_MARKERNEXT, line+1, 1 << #DIFF_ChangeMarker)
Else
line = ScintillaSendMessage(Gadget, #SCI_MARKERPREVIOUS, line-1, 1 << #DIFF_ChangeMarker)
EndIf
EndIf
If line <> -1
ScintillaSendMessage(Gadget, #SCI_LINESCROLL, -99999, -99999)
ScintillaSendMessage(Gadget, #SCI_LINESCROLL, 0, line-3)
ScintillaSendMessage(Gadget, #SCI_GOTOLINE, line, 0)
; scroll the other to the same place
ScintillaSendMessage(Other, #SCI_LINESCROLL, -99999, -99999)
ScintillaSendMessage(Other, #SCI_LINESCROLL, 0, line-3)
ScintillaSendMessage(Other, #SCI_GOTOLINE, line, 0)
EndIf
SetActiveGadget(Gadget)
EndIf
EndProcedure
Procedure DiffWindowEvents(EventID)
If EventID = #PB_Event_Gadget
Select EventGadget()
Case #GADGET_Diff_Splitter, #GADGET_Diff_Splitter
ResizeDiffSplitterContent()
Case #GADGET_Diff_Files
If DiffDirectoryMode > 0 And EventType() = #PB_EventType_LeftDoubleClick
index = GetGadgetState(#GADGET_Diff_Files)
If index <> -1 And SelectElement(DiffFiles(), index)
If DiffFiles()\Style = #DIFF_Changed Or DiffFiles()\Style = #DIFF_Equal ; cannot compare against added/removed files
DiffFileToFile(DiffA_Base$+DiffFiles()\Name$, DiffB_Base$+DiffFiles()\Name$, #False, 1)
EndIf
EndIf
Else
UpdateDiffToolbar() ; update on selection changes
EndIf
EndSelect
ElseIf EventID = #PB_Event_Menu
EventMenu = EventMenu()
Select EventMenu
Case #MENU_Diff_Open1, #MENU_Diff_Open2
If EventMenu = #MENU_Diff_Open1
If DiffSwapped = 0
First = #True
Else
First = #False
EndIf
Else
If DiffSwapped = 0
First = #False
Else
First = #True
EndIf
EndIf
Select DiffMode
Case #DIFF_FileToFile
If First
LoadSourceFile(DiffA_File$)
Else
LoadSourceFile(DiffB_File$)
EndIf
Case #DIFF_SourceToFile ; A is a *Source, B is a file
If First
ChangeCurrentElement(FileList(), *DiffSource)
ChangeActiveSourceCode()
Else
LoadSourceFile(DiffB_File$)
EndIf
EndSelect
Case #MENU_Diff_Refresh
If DiffDirectoryMode > 0
DiffDirectories(DiffA_Base$, DiffB_Base$, DiffPattern$, DiffSwapped, DiffDirectoryMode)
EndIf
If DiffDirectoryMode < 2
Select DiffMode
Case #DIFF_FileToFile
DiffFileToFile(DiffA_File$, DiffB_File$, DiffSwapped, DiffDirectoryMode)
Case #DIFF_SourceToFile
DiffSourceToFile(*DiffSource, DiffB_File$, DiffSwapped)
EndSelect
EndIf
Case #MENU_Diff_Colors
If DiffDirectoryMode < 2
If DiffShowColors
DiffShowColors = 0
Else
DiffShowColors = 1
EndIf
SetToolBarButtonState(#TOOLBAR_Diff, #MENU_Diff_Colors, DiffShowColors)
; update the gadget colors
UpdateDiffGadget(#True, StyleA(), #False)
UpdateDiffGadget(#False, StyleB(), #False)
EndIf
Case #MENU_Diff_Swap
If DiffSwapped = 0
DiffSwapped = 1
Else
DiffSwapped = 0
EndIf
SetToolBarButtonState(#TOOLBAR_Diff, #MENU_Diff_Swap, DiffSwapped)
If DiffDirectoryMode > 0
; just update the view
UpdateDiffFileList()
EndIf
If DiffDirectoryMode < 2
; swapping the files produces the identical diff output, just
; with inserts and deletes reversed, so no need to recalculate it all
;
If DiffSwapped = 0
SetGadgetText(#GADGET_Diff_Title1, DiffA_Title$) ; set original titles
SetGadgetText(#GADGET_Diff_Title2, DiffB_Title$)
Else
SetGadgetText(#GADGET_Diff_Title1, DiffB_Title$) ; swap the titles
SetGadgetText(#GADGET_Diff_Title2, DiffA_Title$)
EndIf
; now update the coloring+text, this takes care of the rest
UpdateDiffGadget(#True, StyleA(), #True)
UpdateDiffGadget(#False, StyleB(), #True)
; mark the first difference again
ShowNextDifference(#GADGET_Diff_File1, #True, #True)
EndIf
Case #MENU_Diff_Vertical
If DiffDirectoryMode < 2
If DiffVertical
DiffVertical = 0
Else
DiffVertical = 1
EndIf
Width = WindowWidth(#WINDOW_Diff)
Height = WindowHeight(#WINDOW_Diff)
; required for the creation of the temp gadgets (when switching splitter content)
UseGadgetList(WindowID(#WINDOW_Diff))
If DiffDirectoryMode = 1
; must get the splitter out of the outer splitter first. use a dummy for the replacement
dummy = TextGadget(#PB_Any, 0, 0, 0, 0, "")
SetGadgetAttribute(#GADGET_Diff_Splitter2, #PB_Splitter_SecondGadget, dummy)
EndIf
; remove the old splitter from the window, replace the content first with dummy gadgets
SetGadgetAttribute(#GADGET_Diff_Splitter, #PB_Splitter_FirstGadget, TextGadget(#PB_Any, 0, 0, 0, 0, ""))
SetGadgetAttribute(#GADGET_Diff_Splitter, #PB_Splitter_SecondGadget, TextGadget(#PB_Any, 0, 0, 0, 0, ""))
FreeGadget(#GADGET_Diff_Splitter)
UseGadgetList(WindowID(#WINDOW_Diff))
If DiffVertical
SplitterGadget(#GADGET_Diff_Splitter, 5, 5+ToolbarTopOffset, Width-10, Height-10-ToolbarHeight, #GADGET_Diff_Container1, #GADGET_Diff_Container2)
Else
SplitterGadget(#GADGET_Diff_Splitter, 5, 5+ToolbarTopOffset, Width-10, Height-10-ToolbarHeight, #GADGET_Diff_Container1, #GADGET_Diff_Container2, #PB_Splitter_Vertical)
EndIf
If DiffDirectoryMode = 1
; put it back into the other splitter (and delete the dummy)
SetGadgetAttribute(#GADGET_Diff_Splitter2, #PB_Splitter_SecondGadget, #GADGET_Diff_Splitter)
FreeGadget(dummy)
EndIf
SetToolBarButtonState(#TOOLBAR_Diff, #MENU_Diff_Vertical, DiffVertical)
ResizeDiffSplitterContent()
EndIf
Case #MENU_Diff_ShowTool
OpenDiffDialogWindow()
Case #MENU_Diff_ShowFiles
; this is a shortcut, so check that it only works in the files list
If DiffDirectoryMode > 0 And GetActiveGadget() = #GADGET_Diff_Files
; same action as for the listicon event
index = GetGadgetState(#GADGET_Diff_Files)
If index <> -1 And SelectElement(DiffFiles(), index)
If DiffFiles()\Style = #DIFF_Changed Or DiffFiles()\Style = #DIFF_Equal ; cannot compare against added/removed files
DiffFileToFile(DiffA_Base$+DiffFiles()\Name$, DiffB_Base$+DiffFiles()\Name$, #False, 1)
EndIf
EndIf
EndIf
Case #MENU_Diff_HideFiles
If DiffDirectoryMode = 1
SwitchDirectoryMode(2)
UpdateDiffToolbar()
EndIf
Case #MENU_Diff_Up
ShowNextDifference(GetActiveGadget(), #False, #False)
Case #MENU_Diff_Down
ShowNextDifference(GetActiveGadget(), #True, #False)
EndSelect
ElseIf EventID = #PB_Event_SizeWindow
Width = WindowWidth(#WINDOW_Diff)
Height = WindowHeight(#WINDOW_Diff)
If DiffDirectoryMode = 0
; only the file splitter
ResizeGadget(#GADGET_Diff_Splitter, 5, 5+ToolbarTopOffset, Width-10, Height-10-ToolbarHeight)
Else
h = Max(GetRequiredHeight(#GADGET_Diff_FileTitle), 30)
ResizeGadget(#GADGET_Diff_FileTitle, 5,5+ToolbarTopOffset, Width-10, h)
If DiffDirectoryMode = 1
; the directory splitter is the main
ResizeGadget(#GADGET_Diff_Splitter2, 5, 7+ToolbarTopOffset+h, Width-10, Height-12-ToolbarHeight-h)
Else
; only the directory view
ResizeGadget(#GADGET_Diff_Files, 5, 7+ToolbarTopOffset+h, Width-10, Height-12-ToolbarHeight-h)
EndIf
EndIf
GetRequiredSize(#GADGET_Diff_Busy, @BusyW, @BusyH)
ResizeGadget(#GADGET_Diff_Busy, (Width-BusyW)/2, ToolbarTopOffset + (Height-ToolBarHeight-BusyH) / 2, BusyW, BusyH)
ElseIf EventID = #PB_Event_CloseWindow
If MemorizeWindow And IsWindowMinimized(#WINDOW_Diff) = 0
DiffWindowPosition\IsMaximized = IsWindowMaximized(#WINDOW_Diff)
If DiffWindowPosition\IsMaximized = 0
DiffWindowPosition\x = WindowX(#WINDOW_Diff)
DiffWindowPosition\y = WindowY(#WINDOW_Diff)
DiffWindowPosition\Width = WindowWidth (#WINDOW_Diff)
DiffWindowPosition\Height = WindowHeight(#WINDOW_Diff)
EndIf
EndIf
CloseWindow(#WINDOW_Diff)
; free the no longer needed data
;
If *DiffA_Buffer
FreeMemory(*DiffA_Buffer)
EndIf
If *DiffB_Buffer
FreeMemory(*DiffB_Buffer)
EndIf
*DiffA_Buffer = 0
*DiffB_Buffer = 0
ClearList(StyleA())
ClearList(StyleB())
EndIf
EndProcedure
ProcedureDLL DiffScintillaCallback(Gadget, *scinotify.SCNotification)
Select *scinotify\nmhdr\code
; There is no separate (cross-platform) notification on scrolling events,
; so use the paint message and check the scrolling position to update the
; second gadget
;
Case #SCN_PAINTED
If Gadget = #GADGET_Diff_File1
OtherGadget = #GADGET_Diff_File2
Else
OtherGadget = #GADGET_Diff_File1
EndIf
Zoom = ScintillaSendMessage(Gadget, #SCI_GETZOOM)
If Zoom <> DiffZoom
DiffZoom = Zoom
ScintillaSendMessage(OtherGadget, #SCI_SETZOOM, DiffZoom)
EndIf
X = ScintillaSendMessage(Gadget, #SCI_GETXOFFSET)
If X <> DiffScrollX
DiffScrollX = X
ScintillaSendMessage(OtherGadget, #SCI_SETXOFFSET, DiffScrollX)
EndIf
; Note: this counts visible lines, not document lines
; this needs to be adjusted if some kind of folding is allowed
Y = ScintillaSendMessage(Gadget, #SCI_GETFIRSTVISIBLELINE)
If Y <> DiffScrollY
DiffScrollY = Y
; #SCI_SETFIRSTVISIBLELINE is not supported in our scintilla version, so emulate it
ScintillaSendMessage(OtherGadget, #SCI_LINESCROLL, 0, DiffScrollY - ScintillaSendMessage(OtherGadget, #SCI_GETFIRSTVISIBLELINE))
EndIf
EndSelect
EndProcedure
Procedure OpenDiffWindow()
;
; This is not a DialogManager created Window, because of the toolbar etc
;
If IsWindow(#WINDOW_Diff) = 0
Flags = #PB_Window_SystemMenu|#PB_Window_SizeGadget|#PB_Window_MinimizeGadget|#PB_Window_MaximizeGadget|#PB_Window_Invisible
If DiffWindowPosition\x = -1 And DiffWindowPosition\y = -1
Flags | #PB_Window_ScreenCentered
EndIf
If OpenWindow(#WINDOW_Diff, DiffWindowPosition\x, DiffWindowPosition\y, DiffWindowPosition\Width, DiffWindowPosition\Height, Language("Diff", "Title"), Flags, WindowID(#WINDOW_Main))
WindowBounds(#WINDOW_Diff, 200, 200, #PB_Ignore, #PB_Ignore)
CompilerIf #CompileMac
If OSVersion() >= #PB_OS_MacOSX_10_14
; Fix Toolbar style from titlebar to expanded (Top Left)
#NSWindowToolbarStyleExpanded = 1
CocoaMessage(0, WindowID(#WINDOW_Diff), "setToolbarStyle:", #NSWindowToolbarStyleExpanded)
EndIf
CompilerEndIf
CompilerIf #CompileMac
flags = #PB_ToolBar_Large
CompilerElse
flags = 0
CompilerEndIf
If CreateToolBar(#TOOLBAR_Diff, WindowID(#WINDOW_Diff), Flags)
ToolBarImageButton(#MENU_Diff_ShowTool, ImageID(#IMAGE_Diff_ShowTool))
ToolBarImageButton(#MENU_Diff_Open1, ImageID(#IMAGE_Diff_Open1))
ToolBarImageButton(#MENU_Diff_Open2, ImageID(#IMAGE_Diff_Open2))
ToolBarSeparator()
ToolBarImageButton(#MENU_Diff_Colors, ImageID(#IMAGE_Diff_Colors), #PB_ToolBar_Toggle)
ToolBarImageButton(#MENU_Diff_Vertical, ImageID(#IMAGE_Diff_Vertical), #PB_ToolBar_Toggle)
ToolBarImageButton(#MENU_Diff_HideFiles, ImageID(#IMAGE_Diff_HideFiles))
ToolBarSeparator()
ToolBarImageButton(#MENU_Diff_Swap, ImageID(#IMAGE_Diff_Swap))
ToolBarImageButton(#MENU_Diff_Refresh, ImageID(#IMAGE_Diff_Refresh))
ToolBarSeparator()
ToolBarImageButton(#MENU_Diff_Up, ImageID(#IMAGE_Diff_Up))
ToolBarImageButton(#MENU_Diff_Down, ImageID(#IMAGE_Diff_Down))
ToolBarToolTip(#TOOLBAR_Diff, #MENU_Diff_Open1, Language("Diff","Open1"))
ToolBarToolTip(#TOOLBAR_Diff, #MENU_Diff_Open2, Language("Diff","Open2"))
ToolBarToolTip(#TOOLBAR_Diff, #MENU_Diff_Refresh, Language("Diff","Refresh"))
ToolBarToolTip(#TOOLBAR_Diff, #MENU_Diff_Swap, Language("Diff","Swap"))
ToolBarToolTip(#TOOLBAR_Diff, #MENU_Diff_Colors, Language("Diff","Colors"))
ToolBarToolTip(#TOOLBAR_Diff, #MENU_Diff_Vertical, Language("Diff","Vertical"))
ToolBarToolTip(#TOOLBAR_Diff, #MENU_Diff_ShowTool, Language("Diff","ShowTool"))
ToolBarToolTip(#TOOLBAR_Diff, #MENU_Diff_HideFiles, Language("Diff","HideFiles"))
ToolBarToolTip(#TOOLBAR_Diff, #MENU_Diff_Up, Language("Diff","Up"))
ToolBarToolTip(#TOOLBAR_Diff, #MENU_Diff_Down, Language("Diff","Down"))
SetToolBarButtonState(#TOOLBAR_Diff, #MENU_Diff_Colors, DiffShowColors)
SetToolBarButtonState(#TOOLBAR_Diff, #MENU_Diff_Vertical, DiffVertical)
EndIf
; this one has no icon, only a shortcut (enter)
AddKeyboardShortcut(#WINDOW_Diff, #PB_Shortcut_Return, #MENU_Diff_ShowFiles)
TextGadget(#GADGET_Diff_Busy, 0, 0, 0, 0, Language("Diff","Busy"))
HideGadget(#GADGET_Diff_Busy, 1)
; the default state is the File only mode, where there is no gadget for filename and files
DiffDirectoryMode = 0
UpdateDiffToolbar()
; Note: The TextGadget with border looks quite ugly in this context on modern Windows version as it has
; the old style "client edge" border. It looks better without any borders at all here
;
ContainerGadget(#GADGET_Diff_Container1, 0, 0, 0, 0, #PB_Container_BorderLess)
CompilerIf #CompileWindows
TextGadget(#GADGET_Diff_Title1, 0, 0, 0, 0, "")
CompilerElse
TextGadget(#GADGET_Diff_Title1, 0, 0, 0, 0, "", #PB_Text_Border)
CompilerEndIf
ScintillaGadget(#GADGET_Diff_File1, 0, 0, 0, 0, @DiffScintillaCallback())
CloseGadgetList()
ContainerGadget(#GADGET_Diff_Container2, 0, 0, 0, 0, #PB_Container_BorderLess)
CompilerIf #CompileWindows
TextGadget(#GADGET_Diff_Title2, 0, 0, 0, 0, "")
CompilerElse
TextGadget(#GADGET_Diff_Title2, 0, 0, 0, 0, "", #PB_Text_Border)
CompilerEndIf
ScintillaGadget(#GADGET_Diff_File2, 0, 0, 0, 0, @DiffScintillaCallback())
CloseGadgetList()
; this variable is reversed from the splitter flag: vertical splitter = horizontal tiling
If DiffVertical
SplitterGadget(#GADGET_Diff_Splitter, 5, 5+ToolbarTopOffset, DiffWindowPosition\Width-10, DiffWindowPosition\Height-10-ToolbarHeight, #GADGET_Diff_Container1, #GADGET_Diff_Container2)
Else
SplitterGadget(#GADGET_Diff_Splitter, 5, 5+ToolbarTopOffset, DiffWindowPosition\Width-10, DiffWindowPosition\Height-10-ToolbarHeight, #GADGET_Diff_Container1, #GADGET_Diff_Container2, #PB_Splitter_Vertical)
EndIf
SetGadgetAttribute(#GADGET_Diff_Splitter, #PB_Splitter_FirstMinimumSize, 80)
SetGadgetAttribute(#GADGET_Diff_Splitter, #PB_Splitter_SecondMinimumSize, 80)
DiffScrollX = 0
DiffScrollY = 0
DiffZoom = ScintillaSendMessage(#GADGET_Diff_File1, #SCI_GETZOOM)
For Gadget = #GADGET_Diff_File1 To #GADGET_Diff_File2
ScintillaSendMessage(Gadget, #SCI_CLEARCMDKEY, #SCK_TAB) ; to enable the window shortcuts
ScintillaSendMessage(Gadget, #SCI_CLEARCMDKEY, #SCK_RETURN)
ApplyWordChars(Gadget)
ScintillaSendMessage(Gadget, #SCI_SETCARETLINEVISIBLE, 0, 0)
; margin for line numbers, this is hidden in UpdateDiffGadget() if it is disabled
; we cannot use the normal line numbers as we have gaps where stuff is inserted in another file
CompilerIf #SCINTILLA_TEXT_MARGIN
ScintillaSendMessage(Gadget, #SCI_SETMARGINTYPEN, 1, #SC_MARGIN_RTEXT)
ScintillaSendMessage(Gadget, #SCI_SETMARGINMASKN, 1, 0)
ScintillaSendMessage(Gadget, #SCI_SETMARGINSENSITIVEN, 1, 0)
CompilerEndIf
; margin for the markers
ScintillaSendMessage(Gadget, #SCI_SETMARGINTYPEN, 2, #SC_MARGIN_SYMBOL)
ScintillaSendMessage(Gadget, #SCI_SETMARGINMASKN, 2, ~#SC_MASK_FOLDERS)
ScintillaSendMessage(Gadget, #SCI_SETMARGINSENSITIVEN, 2, 0)
For i = 0 To #DIFF_StateCount-1
ScintillaSendMessage(Gadget, #SCI_MARKERDEFINE, i, #SC_MARK_BACKGROUND)
Next i
ScintillaSendMessage(Gadget, #SCI_MARKERDEFINE, #DIFF_StateCount+#DIFF_Empty, #SC_MARK_EMPTY)
ScintillaSendMessage(Gadget, #SCI_MARKERDEFINE, #DIFF_StateCount+#DIFF_Equal, #SC_MARK_EMPTY)
ScintillaSendMessage(Gadget, #SCI_MARKERDEFINE, #DIFF_StateCount+#DIFF_Added, #SC_MARK_PLUS)
ScintillaSendMessage(Gadget, #SCI_MARKERDEFINE, #DIFF_StateCount+#DIFF_Removed, #SC_MARK_MINUS)
ScintillaSendMessage(Gadget, #SCI_MARKERDEFINE, #DIFF_StateCount+#DIFF_Changed, #SC_MARK_SHORTARROW)
; for knowing where the next change starts
ScintillaSendMessage(Gadget, #SCI_MARKERDEFINE, #DIFF_ChangeMarker, #SC_MARK_EMPTY)
Next Gadget
EnsureWindowOnDesktop(#WINDOW_Diff)
If DiffWindowPosition\IsMaximized
ShowWindowMaximized(#WINDOW_Diff)
Else
HideWindow(#WINDOW_Diff, 0)
EndIf
DiffWindowEvents(#PB_Event_SizeWindow)
ResizeDiffSplitterContent()
EndIf
Else
SetWindowForeground(#WINDOW_Diff)
EndIf
EndProcedure
Procedure DiffHighlightCallback(*StringStart.BYTE, Length, *Color, IsBold, TextChanged)
ScintillaSendMessage(DiffStyleGadget, #SCI_SETSTYLING, Length, *Color)
EndProcedure
; Update the coloring in the gadget and optionally set the text
;
Procedure UpdateDiffGadget(IsLeft, List Style.DiffStyleBlock(), SetText)
If IsLeft
If DiffSwapped = 0
Gadget = #GADGET_Diff_File1
Else
Gadget = #GADGET_Diff_File2
EndIf
Else
If DiffSwapped = 0
Gadget = #GADGET_Diff_File2
Else
Gadget = #GADGET_Diff_File1
EndIf
EndIf
; Gtk2 'Pango' need an "!" before the font name (else it will use GDK font)
;
ScintillaSendMessage(Gadget, #SCI_STYLERESETDEFAULT, 0, 0)
CompilerIf #CompileLinuxGtk
FontName$ = "!"+EditorFontName$
ScintillaSendMessage(Gadget, #SCI_STYLESETFONT, #STYLE_DEFAULT, ToAscii(FontName$))
CompilerElse
ScintillaSendMessage(Gadget, #SCI_STYLESETFONT, #STYLE_DEFAULT, ToAscii(EditorFontName$))
CompilerEndIf
ScintillaSendMessage(Gadget, #SCI_STYLESETSIZE, #STYLE_DEFAULT, EditorFontSize)
If EditorFontStyle & #PB_Font_Bold
ScintillaSendMessage(Gadget, #SCI_STYLESETBOLD, #STYLE_DEFAULT, 1)
Else
ScintillaSendMessage(Gadget, #SCI_STYLESETBOLD, #STYLE_DEFAULT, 0)
EndIf
If EditorFontStyle & #PB_Font_Italic
ScintillaSendMessage(Gadget, #SCI_STYLESETITALIC, #STYLE_DEFAULT, 1)
Else
ScintillaSendMessage(Gadget, #SCI_STYLESETITALIC, #STYLE_DEFAULT, 0)
EndIf
ScintillaSendMessage(Gadget, #SCI_STYLESETEOLFILLED, #STYLE_DEFAULT, #True)
; background markers
ScintillaSendMessage(Gadget, #SCI_MARKERSETBACK, #DIFF_Empty, $C0C0C0)
ScintillaSendMessage(Gadget, #SCI_MARKERSETBACK, #DIFF_Equal, $FFFFFF)
ScintillaSendMessage(Gadget, #SCI_MARKERSETBACK, #DIFF_Added, $90EE90)
ScintillaSendMessage(Gadget, #SCI_MARKERSETBACK, #DIFF_Removed, $507FFF)
ScintillaSendMessage(Gadget, #SCI_MARKERSETBACK, #DIFF_Changed, $80FFFF)
; symbol markers
ScintillaSendMessage(Gadget, #SCI_MARKERSETBACK, #DIFF_StateCount+#DIFF_Empty, $C0C0C0)
ScintillaSendMessage(Gadget, #SCI_MARKERSETBACK, #DIFF_StateCount+#DIFF_Equal, $FFFFFF)
ScintillaSendMessage(Gadget, #SCI_MARKERSETBACK, #DIFF_StateCount+#DIFF_Added, $90EE90)
ScintillaSendMessage(Gadget, #SCI_MARKERSETBACK, #DIFF_StateCount+#DIFF_Removed, $507FFF)
ScintillaSendMessage(Gadget, #SCI_MARKERSETBACK, #DIFF_StateCount+#DIFF_Changed, $80FFFF)
If DiffShowColors
ScintillaSendMessage(Gadget, #SCI_STYLESETBACK, #STYLE_DEFAULT, Colors(#COLOR_GlobalBackground)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLECLEARALL, 0, 0) ; to make the background & font change effective!
If EnableKeywordBolding
; Gtk2 'Pango' need an "!" before the font name (else it will use GDK font)
;
CompilerIf #CompileLinuxGtk
FontName$ = "!"+EditorBoldFontName$
ScintillaSendMessage(Gadget, #SCI_STYLESETFONT, 2, ToAscii(FontName$))
ScintillaSendMessage(Gadget, #SCI_STYLESETFONT, 14, ToAscii(FontName$))
CompilerElse
ScintillaSendMessage(Gadget, #SCI_STYLESETFONT, 2, ToAscii(EditorBoldFontName$))
ScintillaSendMessage(Gadget, #SCI_STYLESETFONT, 14, ToAscii(EditorBoldFontName$))
CompilerEndIf
ScintillaSendMessage(Gadget, #SCI_STYLESETSIZE, #STYLE_DEFAULT, EditorFontSize)
ScintillaSendMessage(Gadget, #SCI_STYLESETBOLD, 2, 1) ; Bold (no effect on linux, but maybe on windows later)
ScintillaSendMessage(Gadget, #SCI_STYLESETBOLD, 14, 1)
If EditorFontStyle & #PB_Font_Italic
ScintillaSendMessage(Gadget, #SCI_STYLESETITALIC, 2, 1)
ScintillaSendMessage(Gadget, #SCI_STYLESETITALIC, 14, 1)
EndIf
EndIf
For i = 0 To #DIFF_StateCount-1
ScintillaSendMessage(Gadget, #SCI_MARKERSETFORE, #DIFF_StateCount+i, Colors(#COLOR_NormalText)\DisplayValue)
Next i
; applies to all margins
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, #STYLE_LINENUMBER, Colors(#COLOR_LineNumber)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETBACK, #STYLE_LINENUMBER, Colors(#COLOR_LineNumberBack)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 1, Colors(#COLOR_NormalText)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 2, Colors(#COLOR_BasicKeyword)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 3, Colors(#COLOR_Comment)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 4, Colors(#COLOR_Constant)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 5, Colors(#COLOR_String)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 6, Colors(#COLOR_PureKeyword)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 7, Colors(#COLOR_ASMKeyword)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 8, Colors(#COLOR_Operator)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 9, Colors(#COLOR_Structure)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 10, Colors(#COLOR_Number)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 11, Colors(#COLOR_Pointer)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 12, Colors(#COLOR_Separator)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 13, Colors(#COLOR_Label)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, 14, Colors(#COLOR_CustomKeyword)\DisplayValue)
CompilerIf #CompileWindows
If Colors(#COLOR_Selection)\DisplayValue = -1 Or EnableAccessibility; special accessibility scheme
ScintillaSendMessage(Gadget, #SCI_SETSELBACK, 1, GetSysColor_(#COLOR_HIGHLIGHT))
Else
ScintillaSendMessage(Gadget, #SCI_SETSELBACK, 1, Colors(#COLOR_Selection)\DisplayValue)
EndIf
If Colors(#COLOR_SelectionFront)\DisplayValue = -1 Or EnableAccessibility
ScintillaSendMessage(Gadget, #SCI_SETSELFORE, 1, GetSysColor_(#COLOR_HIGHLIGHTTEXT))
Else
ScintillaSendMessage(Gadget, #SCI_SETSELFORE, 1, Colors(#COLOR_SelectionFront)\DisplayValue)
EndIf
CompilerElse
ScintillaSendMessage(Gadget, #SCI_SETSELBACK, 1, Colors(#COLOR_Selection)\DisplayValue)
ScintillaSendMessage(Gadget, #SCI_SETSELFORE, 1, Colors(#COLOR_SelectionFront)\DisplayValue)
CompilerEndIf
ScintillaSendMessage(Gadget, #SCI_SETCARETFORE, Colors(#COLOR_Cursor)\DisplayValue, 0)
Else
ScintillaSendMessage(Gadget, #SCI_STYLESETBACK, #STYLE_DEFAULT, $FFFFFF)
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, #STYLE_DEFAULT, $000000)
ScintillaSendMessage(Gadget, #SCI_STYLECLEARALL, 0, 0) ; to make the background & font change effective!
For i = 0 To #DIFF_StateCount-1
ScintillaSendMessage(Gadget, #SCI_MARKERSETFORE, #DIFF_StateCount+i, $000000)
Next i
ScintillaSendMessage(Gadget, #SCI_STYLESETFORE, #STYLE_LINENUMBER, $000000)
ScintillaSendMessage(Gadget, #SCI_STYLESETBACK, #STYLE_LINENUMBER, $FFFFFF)
CompilerIf #CompileWindows
ScintillaSendMessage(Gadget, #SCI_SETSELBACK, 1, GetSysColor_(#COLOR_HIGHLIGHT))
ScintillaSendMessage(Gadget, #SCI_SETSELFORE, 1, GetSysColor_(#COLOR_HIGHLIGHTTEXT))
CompilerElse
ScintillaSendMessage(Gadget, #SCI_SETSELBACK, 1, $C0C0C0)
ScintillaSendMessage(Gadget, #SCI_SETSELFORE, 1, $000000)
CompilerEndIf
ScintillaSendMessage(Gadget, #SCI_SETCARETFORE, $000000)
EndIf
ScintillaSendMessage(Gadget, #SCI_SETTABWIDTH, TabLength)
ScintillaSendMessage(Gadget, #SCI_SETUSETABS, RealTab)
ScintillaSendMessage(Gadget, #SCI_SETMARGINWIDTHN, 2, ScintillaSendMessage(Gadget, #SCI_TEXTHEIGHT, 1, 0))
CompilerIf #SCINTILLA_TEXT_MARGIN
Lines = Max(Max(DiffA_Lines, DiffB_Lines), 10) ; use the same margin width on both files
Lines$ = "_" + RSet("9", Len(Str(Lines)), "9")
ScintillaSendMessage(Gadget, #SCI_SETMARGINWIDTHN, 1, ScintillaSendMessage(Gadget, #SCI_TEXTWIDTH, #STYLE_LINENUMBER, ToAscii(Lines$)))
CompilerElse
; hide this margin
ScintillaSendMessage(Gadget, #SCI_SETMARGINWIDTHN, 1, 0)
CompilerEndIf
; We need to build the full buffer for the coloring update and to set the text
;
Length = 1 ; for null byte
ForEach Style()
Length + Style()\Length
Next Style()
If SetText
ScintillaSendMessage(Gadget, #SCI_SETREADONLY, 0) ; so it can be modified now
EndIf
*Buffer = AllocateMemory(Length)
If *Buffer
*Pointer = *Buffer
ForEach Style()
If Style()\Start = #Null ; indicates that we need to add empty lines
For i = 1 To Style()\Length / #NewLineLength
PokeAscii(*Pointer, #NewLine)
*Pointer + #NewLineLength
Next i
Else
CopyMemory(Style()\Start, *Pointer, Style()\Length)
*Pointer + Style()\Length
EndIf
Next Style()
If SetText
; adjust the utf8 mode as well (in case a swap took place)
;
If IsLeft
Utf8 = DiffA_Utf8
Else
Utf8 = DiffB_Utf8
EndIf
If Utf8
ScintillaSendMessage(Gadget, #SCI_SETCODEPAGE, #SC_CP_UTF8)
Else
ScintillaSendMessage(Gadget, #SCI_SETCODEPAGE, 0)
EndIf
; set the new text
ScintillaSendMessage(Gadget, #SCI_SETTEXT, 0, *Buffer)
; the line numbers also only need updating when the text changed
CompilerIf #SCINTILLA_TEXT_MARGIN
ScintillaSendMessage(Gadget, #SCI_MARGINTEXTCLEARALL)
CompilerEndIf
; apply the markers for the diff background (only needed on text changes)
; also apply the line number text (if supported)
;
ScintillaSendMessage(Gadget, #SCI_MARKERDELETEALL, -1)
Line = 0
DisplayLine = 1
PreviousStyle = #DIFF_Equal
ForEach Style()
; mark the beginning of each change block
; note: a block with #DIFF_Empty is not a new change when it immediately follows a block of #DIFF_Changed
; because then it is just an extension of that block to match the length in the other file
;
If Style()\Style <> #DIFF_Equal And (Not (Style()\Style = #DIFF_Empty And PreviousStyle = #DIFF_Changed))
ScintillaSendMessage(Gadget, #SCI_MARKERADD, Line, #DIFF_ChangeMarker)
EndIf
If DiffSwapped And Style()\Style = #DIFF_Added
Style = #DIFF_Removed
ElseIf DiffSwapped And Style()\Style = #DIFF_Removed
Style = #DIFF_Added
Else
Style = Style()\Style
EndIf
For i = 1 To Style()\Lines
If Style <> #DIFF_Equal ; keep normal background for equal parts
; the swapped display is exactly the same as the normal one, only
; insers and deletes are reversed, so we can do a swap without changing the underlying data
ScintillaSendMessage(Gadget, #SCI_MARKERADD, Line, Style) ; background
ScintillaSendMessage(Gadget, #SCI_MARKERADD, Line, #DIFF_StateCount+Style) ; symbol
EndIf
CompilerIf #SCINTILLA_TEXT_MARGIN
If Style <> #DIFF_Empty
Text$ = Str(DisplayLine)
ScintillaSendMessage(Gadget, #SCI_MARGINSETTEXT, Line, ToAscii(Text$))
ScintillaSendMessage(Gadget, #SCI_MARGINSETSTYLE, Line, #STYLE_LINENUMBER)
DisplayLine + 1
EndIf
CompilerEndIf
Line + 1
Next i
PreviousStyle = Style()\Style
Next Style()
EndIf
; apply the styling
;
DiffStyleGadget = Gadget
ScintillaSendMessage(Gadget, #SCI_STARTSTYLING, 0, $1F)
If DiffShowColors