--- /dev/null
+/**
+ * vimp - a webkit based vim like browser.
+ *
+ * Copyright (C) 2012 Daniel Carl
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/.
+ */
+
+#include "completion.h"
+
+typedef struct {
+ GtkWidget* label;
+ GtkWidget* event;
+} Completion;
+
+static GList* completion_init_completion(GList* target, GList* source);
+static GList* completion_update(GList* completion, GList* active, gboolean back);
+static void completion_show(gboolean back);
+static void completion_set_color(Completion* completion, gchar* fg, gchar* bg);
+static void completion_set_entry_text(Completion* completion);
+static Completion* completion_get_new(const gchar* label);
+
+gboolean completion_complete(const CompletionType type, gboolean back)
+{
+ GList* source = NULL;
+
+ if (vp.comps.completions
+ && vp.comps.active
+ && (vp.state.mode & VP_MODE_COMPLETE)
+ ) {
+ /* updatecompletions */
+ vp.comps.active = completion_update(vp.comps.completions, vp.comps.active, back);
+
+ return TRUE;
+ }
+ /* create new completion */
+ switch (type) {
+ case COMPLETE_COMMAND:
+ source = g_hash_table_get_keys(vp.behave.commands);
+ source = g_list_sort(source, (GCompareFunc)g_strcmp0);
+ break;
+ }
+
+#if _HAS_GTK3
+ vp.gui.compbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
+ gtk_box_set_homogeneous(GTK_BOX(vp.gui.compbox), TRUE);
+#else
+ vp.gui.compbox = gtk_vbox_new(TRUE, 0);
+#endif
+ gtk_box_pack_start(GTK_BOX(vp.gui.box), vp.gui.compbox, FALSE, FALSE, 0);
+
+ vp.comps.completions = completion_init_completion(vp.comps.completions, source);
+
+ if (!vp.comps.completions) {
+ return FALSE;
+ }
+ /* set mode flag for complation */
+ vp.state.mode |= VP_MODE_COMPLETE;
+ completion_show(back);
+
+ return TRUE;
+}
+
+void completion_clean(void)
+{
+ for (GList *l = vp.comps.completions; l; l = l->next) {
+ g_free(l->data);
+ }
+ g_list_free(vp.comps.completions);
+
+ if (vp.gui.compbox) {
+ gtk_widget_destroy(vp.gui.compbox);
+ }
+ vp.comps.completions = NULL;
+ vp.comps.active = NULL;
+
+ /* remove completion flag from mode */
+ vp.state.mode &= ~VP_MODE_COMPLETE;
+}
+
+static GList* completion_init_completion(GList* target, GList* source)
+{
+ const gchar* input = gtk_entry_get_text(GTK_ENTRY(vp.gui.inputbox));
+ gchar* data = NULL;
+ gboolean match;
+ gchar **token = NULL;
+
+ if (input && input[0] == ':') {
+ input++;
+ }
+ token = g_strsplit(input, " ", -1);
+
+ for (GList* l = source; l; l = l->next) {
+ data = l->data;
+ match = FALSE;
+ if (*input == 0) {
+ match = TRUE;
+ } else {
+ for (gint i = 0; token[i]; i++) {
+ if (g_str_has_prefix(data, token[i])) {
+ match = TRUE;
+ } else {
+ match = FALSE;
+ break;
+ }
+ }
+ }
+ if (match) {
+ Completion* c = completion_get_new(data);
+ gtk_box_pack_start(GTK_BOX(vp.gui.compbox), c->event, FALSE, FALSE, 0);
+ target = g_list_append(target, c);
+ }
+ }
+ g_strfreev(token);
+
+ return target;
+}
+
+static GList* completion_update(GList* completion, GList* active, gboolean back)
+{
+ GList *old, *new;
+ Completion *c;
+
+ int length = g_list_length(completion);
+ int max = 15;
+ int items = MAX(length, max);
+ int r = (max) % 2;
+ int offset = max / 2 - 1 + r;
+
+ old = active;
+ int position = g_list_position(completion, active) + 1;
+ if (back) {
+ if (!(new = old->prev)) {
+ new = g_list_last(completion);
+ }
+ if (position - 1 > offset && position < items - offset + r) {
+ c = g_list_nth(completion, position - offset - 2)->data;
+ gtk_widget_show_all(c->event);
+ c = g_list_nth(completion, position + offset - r)->data;
+ gtk_widget_hide(c->event);
+ } else if (position == 1) {
+ int i = 0;
+ for (GList *l = g_list_first(completion); l && i<max; l=l->next, i++) {
+ gtk_widget_hide(((Completion*)l->data)->event);
+ }
+ gtk_widget_show(vp.gui.compbox);
+ i = 0;
+ for (GList *l = g_list_last(completion); l && i<max ;l=l->prev, i++) {
+ c = l->data;
+ gtk_widget_show_all(c->event);
+ }
+ }
+ } else {
+ if (!(new = old->next)) {
+ new = g_list_first(completion);
+ }
+ if (position > offset && position < items - offset - 1 + r) {
+ c = g_list_nth(completion, position - offset - 1)->data;
+ gtk_widget_hide(c->event);
+ c = g_list_nth(completion, position + offset + 1 - r)->data;
+ gtk_widget_show_all(c->event);
+ } else if (position == items || position == 1) {
+ int i = 0;
+ for (GList *l = g_list_last(completion); l && i<max; l=l->prev) {
+ gtk_widget_hide(((Completion*)l->data)->event);
+ }
+ gtk_widget_show(vp.gui.compbox);
+ i = 0;
+ for (GList *l = g_list_first(completion); l && i<max ;l=l->next, i++) {
+ gtk_widget_show_all(((Completion*)l->data)->event);
+ }
+ }
+ }
+
+ gchar* fg = "#77ff77";
+ gchar* bg = "#333333";
+ completion_set_color(old->data, fg, bg);
+ completion_set_color(new->data, fg, bg);
+
+ active = new;
+ completion_set_entry_text(active->data);
+ return active;
+}
+
+/* allow to chenge the direction of display */
+static void completion_show(gboolean back)
+{
+ /* TODO make this configurable */
+ const gint max_items = 15;
+ gint i = 0;
+ if (back) {
+ vp.comps.active = g_list_last(vp.comps.completions);
+ for (GList *l = vp.comps.active; l && i < max_items; l = l->prev, i++) {
+ gtk_widget_show_all(((Completion*)l->data)->event);
+ }
+ } else {
+ vp.comps.active = g_list_first(vp.comps.completions);
+ for (GList *l = vp.comps.active; l && i < max_items; l = l->next, i++) {
+ gtk_widget_show_all(((Completion*)l->data)->event);
+ }
+ }
+ if (vp.comps.active != NULL) {
+ gchar* fg = "#77ff77";
+ gchar* bg = "#333333";
+ completion_set_color(vp.comps.active->data, fg, bg);
+ completion_set_entry_text(vp.comps.active->data);
+ gtk_widget_show(vp.gui.compbox);
+ }
+}
+
+static void completion_set_color(Completion* completion, gchar* fg, gchar* bg)
+{
+ GdkColor color;
+ gdk_color_parse(fg, &color);
+ gtk_widget_modify_fg(completion->label, GTK_STATE_NORMAL, &color);
+ gdk_color_parse(bg, &color);
+ gtk_widget_modify_bg(completion->label, GTK_STATE_NORMAL, &color);
+}
+
+static void completion_set_entry_text(Completion* completion)
+{
+ const gchar* text;
+ const gchar* pre = ":";
+ gint len = strlen(pre);
+
+ text = gtk_label_get_text(GTK_LABEL(completion->label));
+ gtk_entry_set_text(GTK_ENTRY(vp.gui.inputbox), pre);
+ gtk_editable_insert_text(GTK_EDITABLE(vp.gui.inputbox), text, -1, &len);
+ gtk_editable_set_position(GTK_EDITABLE(vp.gui.inputbox), -1);
+}
+
+static Completion* completion_get_new(const gchar* label)
+{
+ /* TODO make this configurable */
+ const gint padding = 2;
+ Completion* c = g_new0(Completion, 1);
+
+ c->label = gtk_label_new(label);
+ c->event = gtk_event_box_new();
+
+#if _HAS_GTK3
+ GtkWidget *hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
+ gtk_box_set_homogeneous(GTK_BOX(hbox), TRUE);
+#else
+ GtkWidget *hbox = gtk_hbox_new(TRUE, 0);
+#endif
+
+ gtk_box_pack_start(GTK_BOX(hbox), c->label, TRUE, TRUE, 5);
+ gtk_label_set_ellipsize(GTK_LABEL(c->label), PANGO_ELLIPSIZE_MIDDLE);
+ gtk_misc_set_alignment(GTK_MISC(c->label), 0.0, 0.5);
+
+ gchar* fg = "#77ff77";
+ gchar* bg = "#333333";
+ completion_set_color(c, fg, bg);
+
+ GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1, 1);
+ gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), padding, padding, padding, padding);
+ gtk_container_add(GTK_CONTAINER(alignment), hbox);
+ gtk_container_add(GTK_CONTAINER(c->event), alignment);
+
+ return c;
+}
projects / vimb.git / commitdiff