# HG changeset patch
# User Chris Cannam
# Date 1290808105 0
# Node ID 78374cefa10fe3a0c2aedbac2355ec51d32284cd
# Parent  bb2d2eecdd609d0a1d754b8d14e727278db16a2e
 * Add useful state message to file status page.
Also add shouldBeFast() method to HgAction; use it to avoid showing progress bar for fast actions

diff -r bb2d2eecdd60 -r 78374cefa10f filestatuswidget.cpp
--- a/filestatuswidget.cpp	Fri Nov 26 21:17:24 2010 +0000
+++ b/filestatuswidget.cpp	Fri Nov 26 21:48:25 2010 +0000
@@ -16,6 +16,8 @@
 */
 
 #include "filestatuswidget.h"
+#include "debug.h"
+#include "multichoicedialog.h"
 
 #include <QLabel>
 #include <QListWidget>
@@ -23,8 +25,7 @@
 #include <QFileInfo>
 #include <QApplication>
 #include <QDateTime>
-
-#include "debug.h"
+#include <QPushButton>
 
 FileStatusWidget::FileStatusWidget(QWidget *parent) :
     QWidget(parent),
@@ -35,6 +36,9 @@
 
     int row = 0;
     
+    layout->addItem(new QSpacerItem(1, 1), row, 0);
+
+    ++row;
     layout->addWidget(new QLabel(tr("Local:")), row, 0);
     m_localPathLabel = new QLabel;
     QFont f(m_localPathLabel->font());
@@ -48,13 +52,18 @@
     layout->addWidget(m_remoteURLLabel, row, 1);
 
     ++row;
-    layout->addWidget(new QLabel(tr("Branch:")), row, 0);
-    m_branchLabel = new QLabel;
-    layout->addWidget(m_branchLabel, row, 1);
+    layout->addWidget(new QLabel(tr("State:")), row, 0);
+    m_stateLabel = new QLabel;
+    layout->addWidget(m_stateLabel, row, 1, 1, 2);
 
     layout->setColumnStretch(1, 20);
 
-    layout->addWidget(new QLabel("<qt><hr></qt>"), ++row, 0, 1, 2);
+    layout->addWidget(new QLabel("<qt><hr></qt>"), ++row, 0, 1, 3);
+
+    ++row;
+    m_noModificationsLabel = new QLabel
+        (tr("You have made no changes."));
+    layout->addWidget(m_noModificationsLabel, row, 1, 1, 2);
 
     m_simpleLabels[FileStates::Clean] = tr("Unmodified:");
     m_simpleLabels[FileStates::Modified] = tr("Modified:");
@@ -99,7 +108,7 @@
         connect(w, SIGNAL(itemSelectionChanged()),
                 this, SLOT(itemSelectionChanged()));
 
-        layout->addWidget(box, ++row, 0, 1, 2);
+        layout->addWidget(box, ++row, 0, 1, 3);
         box->hide();
     }
 
@@ -303,10 +312,10 @@
 }
 
 void
-FileStatusWidget::setBranch(QString b)
+FileStatusWidget::setState(QString b)
 {
-    m_branch = b;
-    m_branchLabel->setText(b);
+    m_state = b;
+    updateStateLabel();
 }
 
 void
@@ -321,6 +330,8 @@
     QSet<QString> selectedFiles;
     foreach (QString f, m_selectedFiles) selectedFiles.insert(f);
 
+    bool haveAnything = false;
+
     foreach (FileStates::State s, m_stateListMap.keys()) {
 
         QListWidget *w = m_stateListMap[s];
@@ -368,8 +379,17 @@
 
         setLabelFor(w, s, !highPriority.empty());
 
-        w->parentWidget()->setVisible(!files.empty());
+        if (files.empty()) {
+            w->parentWidget()->hide();
+        } else {
+            w->parentWidget()->show();
+            haveAnything = true;
+        }
     }
+
+    m_noModificationsLabel->setVisible(!haveAnything);
+
+    updateStateLabel();
 }
 
 void FileStatusWidget::setLabelFor(QWidget *w, FileStates::State s, bool addHighlight)
@@ -379,3 +399,8 @@
     QList<QLabel *> ql = p->findChildren<QLabel *>();
     if (!ql.empty()) ql[0]->setText(text);
 }
+
+void FileStatusWidget::updateStateLabel()
+{
+    m_stateLabel->setText(m_state);
+}
diff -r bb2d2eecdd60 -r 78374cefa10f filestatuswidget.h
--- a/filestatuswidget.h	Fri Nov 26 21:17:24 2010 +0000
+++ b/filestatuswidget.h	Fri Nov 26 21:48:25 2010 +0000
@@ -24,6 +24,7 @@
 
 class QLabel;
 class QListWidget;
+class QPushButton;
 class QFileInfo;
 
 class FileStatusWidget : public QWidget
@@ -40,8 +41,8 @@
     QString remoteURL() const { return m_remoteURL; }
     void setRemoteURL(QString u);
 
-    QString branch() const { return m_branch; }
-    void setBranch(QString b);
+    QString state() const { return m_state; }
+    void setState(QString b);
 
     FileStates fileStates() const { return m_fileStates; }
     void setFileStates(FileStates sp);
@@ -79,8 +80,10 @@
     QString m_remoteURL;
     QLabel *m_remoteURLLabel;
 
-    QString m_branch;
-    QLabel *m_branchLabel;
+    QString m_state;
+    QLabel *m_stateLabel;
+    
+    QLabel *m_noModificationsLabel;
 
     FileStates m_fileStates;
     QMap<FileStates::State, QString> m_simpleLabels;
@@ -92,6 +95,7 @@
     QStringList m_selectedFiles;
 
     void updateWidgets();
+    void updateStateLabel();
     QString labelFor(FileStates::State, bool addHighlightExplanation = false);
     void setLabelFor(QWidget *w, FileStates::State, bool addHighlightExplanation);
 };
diff -r bb2d2eecdd60 -r 78374cefa10f hgaction.h
--- a/hgaction.h	Fri Nov 26 21:17:24 2010 +0000
+++ b/hgaction.h	Fri Nov 26 21:48:25 2010 +0000
@@ -30,6 +30,7 @@
     ACT_QUERY_HEADS,
     ACT_QUERY_PARENTS,
     ACT_LOG,
+    ACT_LOG_INCREMENTAL,
     ACT_REMOVE,
     ACT_ADD,
     ACT_INCOMING,
@@ -70,6 +71,21 @@
                 a.params == params && a.executable == executable);
     }
 
+    bool shouldBeFast() const {
+        switch (action) {
+        case ACT_NONE:
+        case ACT_QUERY_PATHS:
+        case ACT_QUERY_BRANCH:
+        case ACT_STAT:
+        case ACT_QUERY_HEADS:
+        case ACT_QUERY_PARENTS:
+        case ACT_LOG_INCREMENTAL:
+            return true;
+        default:
+            return false;
+        }
+    }
+    
     bool mayBeInteractive() const {
 	switch (action) {
 	case ACT_INCOMING:
diff -r bb2d2eecdd60 -r 78374cefa10f hgrunner.cpp
--- a/hgrunner.cpp	Fri Nov 26 21:17:24 2010 +0000
+++ b/hgrunner.cpp	Fri Nov 26 21:48:25 2010 +0000
@@ -308,7 +308,7 @@
 
     m_isRunning = true;
     setRange(0, 0);
-    show();
+    if (!action.shouldBeFast()) show();
     m_stdout.clear();
     m_stderr.clear();
     m_realm = "";
diff -r bb2d2eecdd60 -r 78374cefa10f hgtabwidget.cpp
--- a/hgtabwidget.cpp	Fri Nov 26 21:17:24 2010 +0000
+++ b/hgtabwidget.cpp	Fri Nov 26 21:48:25 2010 +0000
@@ -185,7 +185,7 @@
     fileStatusWidget->setRemoteURL(remoteRepoPath);
 }
 
-void HgTabWidget::setBranch(QString branch)
+void HgTabWidget::setState(QString state)
 {
-    fileStatusWidget->setBranch(branch);
+    fileStatusWidget->setState(state);
 }
diff -r bb2d2eecdd60 -r 78374cefa10f hgtabwidget.h
--- a/hgtabwidget.h	Fri Nov 26 21:17:24 2010 +0000
+++ b/hgtabwidget.h	Fri Nov 26 21:48:25 2010 +0000
@@ -43,7 +43,7 @@
     void updateWorkFolderFileList(QString fileList);
     void updateLocalRepoHgLogList(QString hgLogList);
     void setWorkFolderAndRepoNames(QString workFolderPath, QString remoteRepoPath);
-    void setBranch(QString branch);
+    void setState(QString state);
 
     FileStates getFileStates() { return fileStates; }
 
diff -r bb2d2eecdd60 -r 78374cefa10f mainwindow.cpp
--- a/mainwindow.cpp	Fri Nov 26 21:17:24 2010 +0000
+++ b/mainwindow.cpp	Fri Nov 26 21:48:25 2010 +0000
@@ -176,7 +176,8 @@
 
 void MainWindow::hgLog()
 {
-//!!! This needs to be incremental, except when we pull or set new repo
+//!!! This needs to be incremental, except when we pull or set new repo.
+    // Be sure to use ACT_LOG_INCREMENTAL for incremental logs
     QStringList params;
     params << "log";
     params << "--template";
@@ -981,8 +982,7 @@
         DEBUG << "Added to file system watcher: " << path << endl;
         QDir d(path);
         if (d.exists()) {
-            d.setFilter(QDir::Files | QDir::Dirs |
-                        QDir::NoDotAndDotDot | QDir::Readable);
+            d.setFilter(QDir::Dirs | QDir::NoDotAndDotDot | QDir::Readable);
             foreach (QString entry, d.entryList()) {
                 if (entry == ".hg") continue;
                 QString entryPath = d.absoluteFilePath(entry);
@@ -1077,13 +1077,11 @@
         MultiChoiceDialog::addRecentArgument("local", workFolderPath);
         MultiChoiceDialog::addRecentArgument("remote", remoteRepoPath);
         hgTabs->setWorkFolderAndRepoNames(workFolderPath, remoteRepoPath);
-        enableDisableActions();
         break;
     }
 
     case ACT_QUERY_BRANCH:
         currentBranch = output.trimmed();
-        hgTabs->setBranch(currentBranch);
         break;
 
     case ACT_STAT:
@@ -1259,6 +1257,9 @@
 {
     DEBUG << "MainWindow::enableDisableActions" << endl;
 
+    //!!! should also do things like set the status texts for the
+    //!!! actions appropriately by context
+
     QDir localRepoDir;
     QDir workFolderDir;
     bool workFolderExist;
@@ -1367,6 +1368,22 @@
     }
     hgMergeAct->setEnabled(localRepoActionsEnabled && canMerge);
     hgUpdateAct->setEnabled(localRepoActionsEnabled && canUpdate);
+
+    // Set the state field on the file status widget
+
+    QString branchText;
+    if (currentBranch == "" || currentBranch == "default") {
+        branchText = tr("the default branch");
+    } else {
+        branchText = tr("branch \"%1\"").arg(currentBranch);
+    }
+    if (canUpdate) {
+        hgTabs->setState(tr("On %1. Not at the head of the branch: consider updating").arg(branchText));
+    } else if (canMerge) {
+        hgTabs->setState(tr("<b>Awaiting merge</b> on %1").arg(branchText));
+    } else {
+        hgTabs->setState(tr("At the head of %1").arg(branchText));
+    }
 }
 
 void MainWindow::createActions()