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# Command Handlers for the debugger.
# Not in the debugger package, as I always want these interfaces to be
# available, even if the debugger has not yet been (or can not be)
# imported
import warnings
import win32ui
from pywin.scintilla.control import CScintillaEditInterface
from . import scriptutils
IdToBarNames = {
win32ui.IDC_DBG_STACK: ("Stack", 0),
win32ui.IDC_DBG_BREAKPOINTS: ("Breakpoints", 0),
win32ui.IDC_DBG_WATCH: ("Watch", 1),
}
class DebuggerCommandHandler:
def HookCommands(self):
commands = (
(self.OnStep, None, win32ui.IDC_DBG_STEP),
(self.OnStepOut, self.OnUpdateOnlyBreak, win32ui.IDC_DBG_STEPOUT),
(self.OnStepOver, None, win32ui.IDC_DBG_STEPOVER),
(self.OnGo, None, win32ui.IDC_DBG_GO),
(self.OnClose, self.OnUpdateClose, win32ui.IDC_DBG_CLOSE),
(self.OnAdd, self.OnUpdateAddBreakpoints, win32ui.IDC_DBG_ADD),
(self.OnClearAll, self.OnUpdateClearAllBreakpoints, win32ui.IDC_DBG_CLEAR),
# (self.OnDebuggerToolbar, self.OnUpdateDebuggerToolbar, win32ui.ID_DEBUGGER_TOOLBAR),
)
frame = win32ui.GetMainFrame()
for methHandler, methUpdate, id in commands:
frame.HookCommand(methHandler, id)
if not methUpdate is None:
frame.HookCommandUpdate(methUpdate, id)
for id in list(IdToBarNames.keys()):
frame.HookCommand(self.OnDebuggerBar, id)
frame.HookCommandUpdate(self.OnUpdateDebuggerBar, id)
def OnDebuggerToolbar(self, id, code):
if code == 0:
return not win32ui.GetMainFrame().OnBarCheck(id)
def OnUpdateDebuggerToolbar(self, cmdui):
win32ui.GetMainFrame().OnUpdateControlBarMenu(cmdui)
cmdui.Enable(1)
def _GetDebugger(self):
try:
import pywin.debugger
return pywin.debugger.currentDebugger
except ImportError:
return None
def _DoOrStart(self, doMethod, startFlag):
d = self._GetDebugger()
if d is not None and d.IsDebugging():
method = getattr(d, doMethod)
method()
else:
scriptutils.RunScript(
defName=None, defArgs=None, bShowDialog=0, debuggingType=startFlag
)
def OnStep(self, msg, code):
self._DoOrStart("do_set_step", scriptutils.RS_DEBUGGER_STEP)
def OnStepOver(self, msg, code):
self._DoOrStart("do_set_next", scriptutils.RS_DEBUGGER_STEP)
def OnStepOut(self, msg, code):
d = self._GetDebugger()
if d is not None and d.IsDebugging():
d.do_set_return()
def OnGo(self, msg, code):
self._DoOrStart("do_set_continue", scriptutils.RS_DEBUGGER_GO)
def OnClose(self, msg, code):
d = self._GetDebugger()
if d is not None:
if d.IsDebugging():
d.set_quit()
else:
d.close()
def OnUpdateClose(self, cmdui):
d = self._GetDebugger()
if d is not None and d.inited:
cmdui.Enable(1)
else:
cmdui.Enable(0)
def OnAdd(self, msg, code):
doc, view = scriptutils.GetActiveEditorDocument()
if doc is None:
## Don't do a messagebox, as this could be triggered from the app's
## idle loop whenever the debug toolbar is visible, giving a never-ending
## series of dialogs. This can happen when the OnUpdate handler
## for the toolbar button IDC_DBG_ADD fails, since MFC falls back to
## sending a normal command if the UI update command fails.
## win32ui.MessageBox('There is no active window - no breakpoint can be added')
warnings.warn("There is no active window - no breakpoint can be added")
return None
pathName = doc.GetPathName()
lineNo = view.LineFromChar(view.GetSel()[0]) + 1
# If I have a debugger, then tell it, otherwise just add a marker
d = self._GetDebugger()
if d is None:
import pywin.framework.editor.color.coloreditor
doc.MarkerToggle(
lineNo, pywin.framework.editor.color.coloreditor.MARKER_BREAKPOINT
)
else:
if d.get_break(pathName, lineNo):
win32ui.SetStatusText("Clearing breakpoint", 1)
rc = d.clear_break(pathName, lineNo)
else:
win32ui.SetStatusText("Setting breakpoint", 1)
rc = d.set_break(pathName, lineNo)
if rc:
win32ui.MessageBox(rc)
d.GUIRespondDebuggerData()
def OnClearAll(self, msg, code):
win32ui.SetStatusText("Clearing all breakpoints")
d = self._GetDebugger()
if d is None:
import pywin.framework.editor
import pywin.framework.editor.color.coloreditor
for doc in pywin.framework.editor.editorTemplate.GetDocumentList():
doc.MarkerDeleteAll(
pywin.framework.editor.color.coloreditor.MARKER_BREAKPOINT
)
else:
d.clear_all_breaks()
d.UpdateAllLineStates()
d.GUIRespondDebuggerData()
def OnUpdateOnlyBreak(self, cmdui):
d = self._GetDebugger()
ok = d is not None and d.IsBreak()
cmdui.Enable(ok)
def OnUpdateAddBreakpoints(self, cmdui):
doc, view = scriptutils.GetActiveEditorDocument()
if doc is None or not isinstance(view, CScintillaEditInterface):
enabled = 0
else:
enabled = 1
lineNo = view.LineFromChar(view.GetSel()[0]) + 1
import pywin.framework.editor.color.coloreditor
cmdui.SetCheck(
doc.MarkerAtLine(
lineNo, pywin.framework.editor.color.coloreditor.MARKER_BREAKPOINT
)
!= 0
)
cmdui.Enable(enabled)
def OnUpdateClearAllBreakpoints(self, cmdui):
d = self._GetDebugger()
cmdui.Enable(d is None or len(d.breaks) != 0)
def OnUpdateDebuggerBar(self, cmdui):
name, always = IdToBarNames.get(cmdui.m_nID)
enabled = always
d = self._GetDebugger()
if d is not None and d.IsDebugging() and name is not None:
enabled = 1
bar = d.GetDebuggerBar(name)
cmdui.SetCheck(bar.IsWindowVisible())
cmdui.Enable(enabled)
def OnDebuggerBar(self, id, code):
name = IdToBarNames.get(id)[0]
d = self._GetDebugger()
if d is not None and name is not None:
bar = d.GetDebuggerBar(name)
newState = not bar.IsWindowVisible()
win32ui.GetMainFrame().ShowControlBar(bar, newState, 1)