[geany/geany-plugins] 28c5c5: git-ui: Add tooltips for removed and modified lines

Branch: refs/heads/master Author: Colomban Wendling ban@herbesfolles.org Committer: Colomban Wendling ban@herbesfolles.org Date: Tue, 07 Oct 2014 15:46:29 UTC Commit: 28c5c5230d0928920cde17bd4db1c4e50ecefd55 https://github.com/geany/geany-plugins/commit/28c5c5230d0928920cde17bd4db1c4...

Log Message: ----------- git-ui: Add tooltips for removed and modified lines

Modified Paths: -------------- build/git-ui.m4 git-ui/src/ggu-plugin.c

Modified: build/git-ui.m4 2 lines changed, 1 insertions(+), 1 deletions(-) =================================================================== @@ -3,7 +3,7 @@ AC_DEFUN([GP_CHECK_GITUI], GP_ARG_DISABLE([GitUI], [auto])

GP_CHECK_PLUGIN_DEPS([GitUI], [GITUI], - [$GP_GTK_PACKAGE + [$GP_GTK_PACKAGE >= 2.18 glib-2.0 libgit2])

Modified: git-ui/src/ggu-plugin.c 207 lines changed, 179 insertions(+), 28 deletions(-) =================================================================== @@ -53,7 +53,8 @@ PLUGIN_SET_TRANSLATABLE_INFO ( * data that we know cannot ever be a valid job */ #define QUIT_THREAD_JOB ((AsyncBlobJob *) (&G_queue))

-#define MARKER_ALLOCATED_QTAG (g_quark_from_static_string ("ggu-git-marker-allocated")) +#define RESOURCES_ALLOCATED_QTAG \ + (g_quark_from_static_string ("ggu-git-resources-allocated"))

enum { @@ -75,6 +76,18 @@ struct AsyncBlobJob { gpointer user_data; };

+typedef struct TooltipHunkData TooltipHunkData; +struct TooltipHunkData { + gint line; + gboolean found; + GeanyDocument *doc; + const git_blob *file_blob; + GtkTooltip *tooltip; +}; + +#define TOOLTIP_HUNK_DATA_INIT(line, doc, blob, tooltip) \ + { line, FALSE, doc, blob, tooltip } +

/* cache */ static git_blob *G_file_blob = NULL; @@ -93,11 +106,17 @@ static struct { };

-static void on_git_dir_changed (GFileMonitor *monitor, - GFile *file, - GFile *other_file, - GFileMonitorEvent event_type, - gpointer user_data); +static void on_git_dir_changed (GFileMonitor *monitor, + GFile *file, + GFile *other_file, + GFileMonitorEvent event_type, + gpointer user_data); +static gboolean on_sci_query_tooltip (GtkWidget *widget, + gint x, + gint y, + gboolean keyboard_mode, + GtkTooltip *tooltip, + gpointer user_data);

static void @@ -286,11 +305,11 @@ allocate_marker (ScintillaObject *sci, }

static gboolean -allocate_markers (ScintillaObject *sci) +allocate_resources (ScintillaObject *sci) { guint i;

- if (g_object_get_qdata (G_OBJECT (sci), MARKER_ALLOCATED_QTAG)) { + if (g_object_get_qdata (G_OBJECT (sci), RESOURCES_ALLOCATED_QTAG)) { return TRUE; }

@@ -312,16 +331,21 @@ allocate_markers (ScintillaObject *sci) ((G_markers[i].color & 0x0000ff) << 16)); }

- g_object_set_qdata (G_OBJECT (sci), MARKER_ALLOCATED_QTAG, + /* setup tooltips */ + gtk_widget_set_has_tooltip (GTK_WIDGET (sci), TRUE); + g_signal_connect (sci, "query-tooltip", + G_CALLBACK (on_sci_query_tooltip), NULL); + + g_object_set_qdata (G_OBJECT (sci), RESOURCES_ALLOCATED_QTAG, sci /* anything non-NULL */);

return TRUE; }

static void -release_markers (ScintillaObject *sci) +release_resources (ScintillaObject *sci) { - if (g_object_get_qdata (G_OBJECT (sci), MARKER_ALLOCATED_QTAG)) { + if (g_object_get_qdata (G_OBJECT (sci), RESOURCES_ALLOCATED_QTAG)) { guint j;

for (j = 0; j < MARKER_COUNT; j++) { @@ -330,11 +354,35 @@ release_markers (ScintillaObject *sci) G_markers[j].num, SC_MARK_AVAILABLE); } } - g_object_set_qdata (G_OBJECT (sci), MARKER_ALLOCATED_QTAG, NULL); + g_signal_handlers_disconnect_by_func (sci, on_sci_query_tooltip, NULL); + g_object_set_qdata (G_OBJECT (sci), RESOURCES_ALLOCATED_QTAG, NULL); } }

static int +diff_blob_to_sci (const git_blob *old_blob, + ScintillaObject *sci, + git_diff_hunk_cb hunk_cb, + void *payload) +{ + git_diff_options opts; + const gchar *buf; + size_t len; + + buf = (const gchar *) scintilla_send_message (sci, SCI_GETCHARACTERPOINTER, + 0, 0); + len = sci_get_length (sci); + + /* no context lines, and no need to bother about binary checks */ + git_diff_init_options (&opts, GIT_DIFF_OPTIONS_VERSION); + opts.context_lines = 0; + opts.flags = GIT_DIFF_FORCE_TEXT; + + return git_diff_blob_to_buffer (old_blob, NULL, buf, len, NULL, &opts, + NULL, hunk_cb, NULL, payload); +} + +static int diff_hunk_cb (const git_diff_delta *delta, const git_diff_hunk *hunk, void *data) @@ -356,6 +404,122 @@ diff_hunk_cb (const git_diff_delta *delta, return 0; }

+static GtkWidget * +get_widget_for_blob_range (GeanyDocument *doc, + const git_blob *blob, + gint line_start, + gint n_lines) +{ + ScintillaObject *sci = editor_create_widget (doc->editor); + const GeanyIndentPrefs *iprefs = editor_get_indent_prefs (doc->editor); + gint width = 0; + gint height = 0; + gint i; + GtkAllocation alloc; + + gtk_widget_get_allocation (GTK_WIDGET (doc->editor->sci), &alloc); + + highlighting_set_styles (sci, doc->file_type); + if (iprefs->type == GEANY_INDENT_TYPE_BOTH) { + scintilla_send_message (sci, SCI_SETTABWIDTH, iprefs->hard_tab_width, 0); + } else { + scintilla_send_message (sci, SCI_SETTABWIDTH, iprefs->width, 0); + } + scintilla_send_message (sci, SCI_SETINDENT, iprefs->width, 0); + + /* hide stuff we don't wanna see */ + scintilla_send_message (sci, SCI_SETHSCROLLBAR, 0, 0); + scintilla_send_message (sci, SCI_SETVSCROLLBAR, 0, 0); + for (i = 0; i < SC_MAX_MARGIN; i++) { + scintilla_send_message (sci, SCI_SETMARGINWIDTHN, i, 0); + } + + scintilla_send_message (sci, SCI_ADDTEXT, + (gulong) git_blob_rawsize (blob), + (glong) git_blob_rawcontent (blob)); + scintilla_send_message (sci, SCI_SETFIRSTVISIBLELINE, line_start, 0); + + /* compute the size of the area we want to see */ + for (i = line_start; i < line_start + n_lines; i++) { + gint pos = sci_get_line_end_position (sci, i); + gint end_x = scintilla_send_message (sci, SCI_POINTXFROMPOSITION, 0, pos); + + height += scintilla_send_message (sci, SCI_TEXTHEIGHT, i, 0); + width = MAX (width, end_x); + + if (height > alloc.height) { + break; + } + } + gtk_widget_set_size_request (GTK_WIDGET (sci), + MIN (width, alloc.width), + MIN (height + 1, alloc.height)); + + return GTK_WIDGET (sci); +} + +static int +tooltip_diff_hunk_cb (const git_diff_delta *delta, + const git_diff_hunk *hunk, + void *data) +{ + TooltipHunkData *thd = data; + + if (thd->found) { + return 1; + } + + if (hunk->old_lines > 0 && + thd->line >= hunk->new_start && + thd->line < hunk->new_start + MAX (1, hunk->new_lines)) { + GtkWidget *old = get_widget_for_blob_range (thd->doc, thd->file_blob, + hunk->old_start - 1, + hunk->old_lines); + + gtk_tooltip_set_custom (thd->tooltip, old); + thd->found = old != NULL; + } + + return thd->found; +} + +static gboolean +on_sci_query_tooltip (GtkWidget *widget, + gint x, + gint y, + gboolean keyboard_mode, + GtkTooltip *tooltip, + gpointer user_data) +{ + gint min_x; + gint max_x; + ScintillaObject *sci = (ScintillaObject *) widget; + GeanyDocument *doc = document_get_current (); + gboolean has_tooltip = FALSE; + + g_return_val_if_fail (doc && doc->editor->sci == sci, FALSE); + + min_x = scintilla_send_message (sci, SCI_GETMARGINWIDTHN, 0, 0); + max_x = min_x + scintilla_send_message (sci, SCI_GETMARGINWIDTHN, 1, 0); + + if (x >= min_x && x <= max_x && G_file_blob) { + gint pos = scintilla_send_message (sci, SCI_POSITIONFROMPOINT, x, y); + gint line = sci_get_line_from_position (sci, pos); + gint mask = scintilla_send_message (sci, SCI_MARKERGET, line, 0); + + if (mask & ((1 << G_markers[MARKER_LINE_CHANGED].num) | + (1 << G_markers[MARKER_LINE_REMOVED].num))) { + TooltipHunkData thd = TOOLTIP_HUNK_DATA_INIT (line + 1, doc, G_file_blob, + tooltip); + + diff_blob_to_sci (G_file_blob, sci, tooltip_diff_hunk_cb, &thd); + has_tooltip = thd.found; + } + } + + return has_tooltip; +} + static void update_diff (const gchar *path, git_blob *blob, @@ -364,11 +528,8 @@ update_diff (const gchar *path, GeanyDocument *doc = document_get_current ();

if (doc && doc->id == GPOINTER_TO_UINT (data) && - blob && allocate_markers (doc->editor->sci)) { + blob && allocate_resources (doc->editor->sci)) { ScintillaObject *sci = doc->editor->sci; - git_diff_options opts; - const gchar *buf; - size_t len; guint i;

/* clear previous markers */ @@ -376,17 +537,7 @@ update_diff (const gchar *path, scintilla_send_message (sci, SCI_MARKERDELETEALL, G_markers[i].num, 0); }

- buf = (const gchar *) scintilla_send_message (sci, SCI_GETCHARACTERPOINTER, - 0, 0); - len = sci_get_length (sci); - - /* no context lines, and no need to bother about binary checks */ - git_diff_init_options (&opts, GIT_DIFF_OPTIONS_VERSION); - opts.context_lines = 0; - opts.flags = GIT_DIFF_FORCE_TEXT; - - git_diff_blob_to_buffer (blob, NULL, buf, len, NULL, &opts, - NULL, diff_hunk_cb, NULL, sci); + diff_blob_to_sci (blob, sci, diff_hunk_cb, sci); } }

@@ -519,7 +670,7 @@ plugin_cleanup (void) }

foreach_document (i) { - release_markers (documents[i]->editor->sci); + release_resources (documents[i]->editor->sci); }

git_threads_shutdown ();

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