PBEdit - a Canvas-based Texteditor
Posted: Wed Sep 09, 2020 10:06 pm
a canvas-based Texteditor - PureBasic only - no external libraries
https://github.com/MR-L-PB/PBEdit
Features
https://github.com/MR-L-PB/PBEdit
Features
- Basic editing
- Mouse support
- Multicursor
- Split view (needs improvement when resizing)
- Syntax highlighting
- Indentation (none, block, automatic)
- Autocomplete
- Folding
- Case correction
- Linenumbers
- "real" tabs or spaces
- Undo / Redo
- Drag & Drop
- Find / Replace Dialog (Regular Expressions supported)
- Bookmarks
- Zooming
- Repeated selections
- Horizontal / Vertical Scrollbars (optional)
- Customizable (via xml)
- DPI aware - check compiler option!
- added: multilanguage support (language.cfg file)
- added: settings file (PBEdit.xml)
- a few bugs fixed
- fixed: bug in horizontal scroll (last chars of long textline not visible)
bug when inserting text with multiple cursors
missing colors in settings.xml
beautify procedure removed indentation when in block-mode - changed: redraw of cursor only if needed (avoid flickering)
default style is black/white
tokenizing and styling simplified - added: enhanced character table (use all 65535 characters instead of only 255)
if needed, set #TE_CharRange to 65536
- changed: the cursor now has its own timer and the scroll timer is only activated if needed
- added: french translation (thx, Mesa!)
- fixed: a few scrolling related issues
- changed: removed the "ID" Parameter from the Procedure "Editor_New". The return value now is a pointer to the TE_STRUCT
(not the canvas ID anymore) - added: PostEvent to signal cursor changes (#TE_Event_Cursor) or selection changes (#TE_Event_Selection)
- fixed: wrong filename of default languageFile
- fixed: faulty line continuation
- fixed: autocomplete not showing strings starting with # or * (if flag "enableDictionary" is set to true)
- fixed: syntax highlight issues
- fixed: indentation lines drawn multiple times
- added: flag "enableAutoClosingBracket": enable / disable adding of closing brackets
- added: flag "enableZooming": enable / disable zooming
- added: Ctrl+Tab - cycle through views
- fixed: bug in Procedure Selection_Move that led to adding of blank lines and messed with the undo function
- fixed: multicursor with overwrite-mode didn't work properly with multiple cursors set in same textline
- fixed: bug in display of the AutoComplete list
- changed: the new AutoComplete list is drawn directly on the canvas (no separate Window and ListViewGadget anymore)
- fixed: scrolling after a codeblock is collapsed
- fixed: typo (#TE_Redraw_ChangedLined to #TE_Redraw_ChangedLines)
- fixed: in find/replace dialog: flags #TE_Find_NoComments and #TE_Find_NoStrings not working
- fixed: indentation bug (indentation of keywords inside comments, strings etc.)
- fixed: scollbar bug (interaction between horizontal and vertical scrollbar didn't work properly)
- added: PBEdit_IsGadget(ID): test if this ID is valid
- added: PBEdit_FreeGadget(ID): remove editor and free used resources
- added: in PBEdit_SetSelection: if LineNr < 1 clear selection
- added: PBEdit_SelectionCharCount(ID): return the number of selected characters
- added: Folding_ToggleAll(*te.TE_STRUCT): toggle all folds
- added: flag "enableReadOnly": if set to true, the editor is read only (no changes of the text allowed)
- changed: renamed PBEdit_GetFirstSelectedLineNr to PBEdit_GetCursorLineNr
- changed: renamed PBEdit_GetFirstSelectedCharNr to PBEdit_GetCursorCharNr
- changed: renamed PBEdit_GetLastSelectedLineNr to PBEdit_GetSelectionLineNr
- changed: renamed PBEdit_GetLastSelectedCharNr to PBEdit_GetSelectionCharNr
- fixed: first lineNr was zero after initialization
- fixed: bug in calculation of vertical scrollbar position
- changed: flags in the TE_STRUCT are now a combination of "binary bit flags"
- changed: renamed TE_CURSORSTATE\state to TE_CURSORSTATE\dragDropMode
- added: PBEdit_SetFlag(ID, Flag, Value): set or clear the specified flag (eg. PBEdit_SetFlag(EditorID, #TE_EnableReadOnly, 1))
- added: PBEdit_GetFlag(ID, Flag): get the specified flag
- added: PBEdit_SetGadgetFont(ID, FontName$, FontHeight = 0, FontStyle = 0)
- added: TE_STRUCT\foldChar (default: 1): a special character that indicates the foldstate of a newly inserted textline
- added: horizontal autoscroll
- fixed: unintended scrolling after a textblock is folded/unfolded
- fixed: folded textblock not unfolded, when text is edited
- fixed: numpad return key not responding in linux
- fixed: typo "laguage" renamed to "language"
- fixed: autocomplete scrollbar not working
- changed: the version number now has only two parts
- changed: CanvasGadget with flag "#PB_Canvas_Container". The ScrollBars now are added to the views CanvasGadget
- changed: added a ContainerGadget as parent for all views
- changed: added Procedure PBEdit_Container(ID) to get the ID of the ContainerGadget
- changed: removed x,y,width,height from TE_STRUCT since these values can be obtained from the ContainerGadget
- changed: #TE_SyntaxCheck to #TE_SyntaxHighlight
- changed: #TE_Flag_... to #TE_Syntax_... and #TE_Parser_...
- changed: TE_COLORSCHEME/defaultTextColor to TE_COLORSCHEME/defaultText
- changed: TE_COLORSCHEME/selectedTextColor to TE_COLORSCHEME/selectedText
- changed: the blinking of the cursor is now controlled via thread (Draw_CursorThread) - enable "Create threadsafe executable" in the compiler options!
if the value "cursorBlinkDelay" in the settings file is "0" the cursor is not blinking at all - changed: reduced unnecessary redrawing of unmodified textlines (less CPU usage when idle)
- changed: renamed procedure Event_Resize to Editor_Resize
- changed: improved speed of dictionary update
- changed: improved syntax highlighting
- added: PostEvent #TE_Event_Redraw with #TE_EventType_RedrawAll or #TE_EventType_RedrawChangedLines
- added: Structure TE_REPEATEDSELECTION
- added: TE_REPEATEDSELECTION\minCharacterCount: number of consecutive characters that have to be selected to highlight repeated selections
- added: flag #TE_RepeatedSelection_WholeWord: highlight the whole word if Nr. of selected characters >= TE_REPEATEDSELECTION\minCharacterCount
- added: flag #TE_EnableHorizontalFoldLines: if true, display a horizontal line over and under a foldable textblock
- added: flag #TE_EnableSelection: enable/disable selecting of text
- added: flag #TE_EnableAlwaysShowSelection: enable/disable display selection if not active gadget
- added: flag #TE_EnableAutoClosingKeyword: enable/disable insertion of closing keyword after Tab-Key is pressed twice
- fixed: jump to bookmark (F2 key) didn't jump to the correct line
- fixed: wrong indentation when the previous textline was a split line (has line continuation)
- changed: renamed procedure Draw_CursorThread to Cursor_Thread
- changed: the Cursor_Thread is posting the event #TE_Event_CursorBlink to the active editor
the actual redrawing of the cursor takes place in the new Procedure "Event_Cursor".
at the moment the blink delay is set to a fixed value (500 ms).
- fixed: mouse selection related issues
- fixed: autocomplete scrollbar position
- fixed: find/replace too slow due to permanent dictionary updates
- fixed: typo #TE_Font_Undelined = #TE_Font_Underlined
- fixed: case correction not undoable
- fixed: ProcedureReturn before PopListPosition in Procedure Position_InsideComment
- added: Ctrl+H - replace shortcut
- added: flag #TE_EnableUndo: enable/disable undo
- added: Procedure Textline_ChangeText: change text in place
- added: flag #TE_Undo_ChangeText
- changed: copy/paste with multicursor: each cursor now has it's own clipboard
- changed: Procedure Event_Mouse now calling Event_Mouse_LeftButtonDown, Event_Mouse_LeftButtonUp and Event_Mouse_Move
- changed: renamed TE_STRUCT\autoCompleteList to TE_STRUCT\dictionary
- changed: optimization in Procedure Indentation_Range
- changed: optimization in Procedure Folding_UnfoldTextline
- fixed: bug in Procedure Folding_Update when flag #TE_EnableFolding is false
- fixed: typo #TE_Autocomplete_FindAtBegind
- added flag #TE_EnableShowModifiedLines: when enabled, modified textlines are indicated by a orange line
- added SplitterGadget to chage the size of splitted views
- changed: replaced all occurances of .s with $ (just my personal taste)
- changed: inside Structure TE_TEXTLINE: removed fields needRedraw.b, needStyling.b, marker.b, remark.b
All these flags are now controlled by TE_TEXTLINE\flags and the values from the #TE_TextLine_... Enumeration - issues: strong flashing of the screen when resizing a splitted view with the splitterbar
sometimes the "Unsplit View" function is not working correctly
remark textlines' and 'word wrapping' is in an experimental stage and are not working correctly
