saedit: Review code and add some features

1 files changed, 100 insertions, 0 deletions

diff --git a/saedit/search.c b/saedit/search.c
new file mode 100644
index 0000000..b0c5ad1
--- /dev/null
+++ b/saedit/search.c
@@ -0,0 +1,100 @@
+/*=======================================*\
+|  ____                         ____      |
+| /    \         /\            |          |
+| \____         /  \           |____      |
+|      \       /____\          |          |
+| \____/prite /      \nimation |____ditor |
+|                                         |
+|      Copyleft Vasily_Makarov 2011       |
+|                                         |
+\*=======================================*/
+
+#include <gtk/gtk.h>
+#include "common.h"
+#include "search.h"
+
+GtkWidget *search_text_view = NULL;
+GtkWidget *search_find_dialog_entry = NULL;
+gchar *search_last_text = NULL;
+
+gboolean search_find_text(gchar *text) {
+  search_last_text = text;
+
+  GtkTextBuffer *text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(search_text_view));
+  if (!GTK_IS_TEXT_BUFFER(text_buffer))
+    return FALSE;
+
+  gboolean found;
+
+  GtkTextIter m_start, m_end, start;
+  gtk_text_buffer_get_selection_bounds(text_buffer, NULL, &start);
+  found = gtk_source_iter_forward_search(&start, text, 0, &m_start, &m_end, NULL);
+
+  if (!found) {
+    gtk_text_buffer_get_start_iter(text_buffer, &start);
+    found = gtk_source_iter_forward_search(&start, text, 0, &m_start, &m_end, NULL);
+  }
+
+  if (found) {
+    gtk_text_buffer_place_cursor(text_buffer, &m_start);
+    gtk_text_buffer_move_mark_by_name(text_buffer, "selection_bound", &m_end);
+    gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW(search_text_view),
+                                  gtk_text_buffer_get_insert(text_buffer),
+                                  0.25,
+                                  FALSE,
+                                  0.0,
+                                  0.0);
+    return TRUE;
+  } else
+    return FALSE;
+}
+
+gboolean search_find_next() {
+  if (search_last_text != NULL)
+    search_find_text(search_last_text);
+}
+
+void search_find_dialog_response_callback(GtkDialog *dialog,
+                   gint response_id,
+                   gpointer user_data) {
+  if (response_id != GTK_RESPONSE_ACCEPT)
+    return;
+
+  if (!GTK_IS_TEXT_VIEW(search_text_view))
+    return;
+
+  if (GTK_IS_ENTRY(search_find_dialog_entry))
+    search_find_text(g_strdup(gtk_entry_get_text(GTK_ENTRY(search_find_dialog_entry))));
+}
+
+void search_find_dialog_show(GtkWindow *parent,
+                             GtkWidget *text_view) {
+  GtkWidget *dialog;
+  GtkWidget *vbox;
+  GtkWidget *entry;
+  GtkWidget *content_area;
+  GtkWidget *label;
+
+  dialog = gtk_dialog_new_with_buttons(_("Find"),
+                                       parent,
+                                       GTK_DIALOG_DESTROY_WITH_PARENT,
+                                       GTK_STOCK_FIND,
+                                       GTK_RESPONSE_ACCEPT,
+                                       NULL);
+  gtk_widget_set_size_request(dialog, 240, 80);
+  gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
+  content_area = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
+
+  entry = gtk_entry_new();
+  gtk_container_add(GTK_CONTAINER(content_area), entry);
+
+  g_signal_connect(dialog,
+                   "response",
+                   G_CALLBACK(search_find_dialog_response_callback),
+                   NULL);
+
+  search_text_view = text_view;
+  search_find_dialog_entry = entry;
+
+  gtk_widget_show_all(dialog);
+}