diff options
Diffstat (limited to 'src/helper/unit-menu.cpp')
| -rw-r--r-- | src/helper/unit-menu.cpp | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/src/helper/unit-menu.cpp b/src/helper/unit-menu.cpp deleted file mode 100644 index af07c03c1..000000000 --- a/src/helper/unit-menu.cpp +++ /dev/null @@ -1,360 +0,0 @@ -#define __SP_UNIT_MENU_C__ - -/* - * Unit selector with autupdate capability - * - * Authors: - * Lauris Kaplinski <lauris@kaplinski.com> - * bulia byak <buliabyak@users.sf.net> - * - * Copyright (C) 2000-2002 Authors - * - * Released under GNU GPL, read the file 'COPYING' for more information - */ - -#define noUNIT_SELECTOR_VERBOSE - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif -#include <gtk/gtk.h> -#include "helper/sp-marshal.h" -#include "helper/units.h" -#include "helper/unit-menu.h" -#include "widgets/spw-utilities.h" - -struct SPUnitSelector { - GtkHBox box; - - GtkWidget *combo_box; - GtkListStore *store; - - - guint bases; - GSList *units; - SPUnit const *unit; - gdouble ctmscale; - guint plural : 1; - guint abbr : 1; - - guint update : 1; - - GSList *adjustments; -}; - -enum {COMBO_COL_LABEL=0, COMBO_COL_UNIT}; - -struct SPUnitSelectorClass { - GtkHBoxClass parent_class; - - gboolean (* set_unit)(SPUnitSelector *us, SPUnit const *old, SPUnit const *new_unit); -}; - -enum {SET_UNIT, LAST_SIGNAL}; - -static void sp_unit_selector_finalize(GObject *object); - -static guint signals[LAST_SIGNAL] = {0}; - -G_DEFINE_TYPE(SPUnitSelector, sp_unit_selector, GTK_TYPE_HBOX); - -static void -sp_unit_selector_class_init(SPUnitSelectorClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS(klass); - - signals[SET_UNIT] = g_signal_new("set_unit", - G_TYPE_FROM_CLASS(klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET(SPUnitSelectorClass, set_unit), - NULL, NULL, - sp_marshal_BOOLEAN__POINTER_POINTER, - G_TYPE_BOOLEAN, 2, - G_TYPE_POINTER, G_TYPE_POINTER); - - object_class->finalize = sp_unit_selector_finalize; -} - -static void -sp_unit_selector_init(SPUnitSelector *us) -{ - us->ctmscale = 1.0; - us->abbr = FALSE; - us->plural = TRUE; - - /** - * Create a combo_box and store with 2 columns, - * a label and a pointer to a SPUnit - */ - us->store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_POINTER); - us->combo_box = gtk_combo_box_new_with_model (GTK_TREE_MODEL (us->store)); - - GtkCellRenderer *renderer = gtk_cell_renderer_text_new (); - g_object_set (renderer, "scale", 0.8, "scale-set", TRUE, NULL); - gtk_cell_renderer_set_padding (renderer, 2, 0); - gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (us->combo_box), renderer, TRUE); - gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (us->combo_box), renderer, "text", COMBO_COL_LABEL, NULL); - - gtk_widget_show (us->combo_box); - gtk_box_pack_start (GTK_BOX(us), us->combo_box, TRUE, TRUE, 0); -} - -static void -sp_unit_selector_finalize(GObject *object) -{ - SPUnitSelector *selector = SP_UNIT_SELECTOR(object); - - if (selector->combo_box) { - selector->combo_box = NULL; - } - - while (selector->adjustments) { - g_object_unref(selector->adjustments->data); - selector->adjustments = g_slist_remove(selector->adjustments, selector->adjustments->data); - } - - if (selector->units) { - sp_unit_free_list(selector->units); - } - - selector->unit = NULL; - - G_OBJECT_CLASS(sp_unit_selector_parent_class)->finalize(object); -} - -GtkWidget * -sp_unit_selector_new(guint bases) -{ - SPUnitSelector *us = SP_UNIT_SELECTOR(g_object_new(SP_TYPE_UNIT_SELECTOR, NULL)); - - sp_unit_selector_set_bases(us, bases); - - return GTK_WIDGET(us); -} - -void -sp_unit_selector_setsize(GtkWidget *us, guint w, guint h) -{ - gtk_widget_set_size_request((SP_UNIT_SELECTOR(us))->combo_box, w, h); -} - -SPUnit const * -sp_unit_selector_get_unit(SPUnitSelector const *us) -{ - g_return_val_if_fail(us != NULL, NULL); - g_return_val_if_fail(SP_IS_UNIT_SELECTOR(us), NULL); - - return us->unit; -} - - -static void -on_combo_box_changed (GtkComboBox *widget, SPUnitSelector *us) -{ - GtkTreeIter iter; - if (!gtk_combo_box_get_active_iter (widget, &iter)) { - return; - } - - SPUnit const *unit = NULL; - gtk_tree_model_get (GTK_TREE_MODEL(us->store), &iter, COMBO_COL_UNIT, &unit, -1); - - g_return_if_fail(unit != NULL); - -#ifdef UNIT_SELECTOR_VERBOSE - g_print("Old unit %s new unit %s\n", us->unit->name, unit->name); -#endif - - SPUnit const *old = us->unit; - us->unit = unit; - - us->update = TRUE; - - gboolean consumed = FALSE; - g_signal_emit(G_OBJECT(us), signals[SET_UNIT], 0, old, unit, &consumed); - - if ( !consumed - && ( unit->base == old->base - || ( unit->base == SP_UNIT_ABSOLUTE && old->base == SP_UNIT_DEVICE ) - || ( old->base == SP_UNIT_ABSOLUTE && unit->base == SP_UNIT_DEVICE ) ) ) { - // Either the same base, or absolute<->device: - /* Recalculate adjustments. */ - for (GSList *l = us->adjustments; l != NULL; l = g_slist_next(l)) { - GtkAdjustment *adj = GTK_ADJUSTMENT(l->data); - gdouble val = gtk_adjustment_get_value (adj); -#ifdef UNIT_SELECTOR_VERBOSE - g_print("Old val %g ... ", val); -#endif - val = sp_convert_distance_full(val, *old, *unit); -#ifdef UNIT_SELECTOR_VERBOSE - g_print("new val %g\n", val); -#endif - gtk_adjustment_set_value (adj, val); - } - /* need to separate the value changing from the notification - * or else the unit changes can break the calculations */ - for (GSList *l = us->adjustments; l != NULL; l = g_slist_next(l)) { - gtk_adjustment_value_changed(GTK_ADJUSTMENT(l->data)); - } - } else if (!consumed && unit->base != old->base) { - /* when the base changes, signal all the adjustments to get them - * to recalculate */ - for (GSList *l = us->adjustments; l != NULL; l = g_slist_next(l)) { - g_signal_emit_by_name(G_OBJECT(l->data), "value_changed"); - } - } - - us->update = FALSE; - -} - -static void -spus_rebuild_menu(SPUnitSelector *us) -{ - - gtk_list_store_clear(us->store); - - GtkTreeIter iter; - - gint pos = 0; - gint p = 0; - for (GSList *l = us->units; l != NULL; l = l->next) { - SPUnit const *u = static_cast<SPUnit const*>(l->data); - - // use only abbreviations in the menu - // i = gtk_menu_item_new_with_label((us->abbr) ? (us->plural) ? u->abbr_plural : u->abbr : (us->plural) ? u->plural : u->name); - gtk_list_store_append (us->store, &iter); - gtk_list_store_set (us->store, &iter, COMBO_COL_LABEL, u->abbr, COMBO_COL_UNIT, (gpointer) u, -1); - - if (u == us->unit) { - pos = p; - } - - p += 1; - } - - gtk_combo_box_set_active(GTK_COMBO_BOX(us->combo_box), pos); - g_signal_connect (G_OBJECT (us->combo_box), "changed", G_CALLBACK (on_combo_box_changed), us); -} - -void -sp_unit_selector_set_bases(SPUnitSelector *us, guint bases) -{ - g_return_if_fail(us != NULL); - g_return_if_fail(SP_IS_UNIT_SELECTOR(us)); - - if (bases == us->bases) return; - - GSList *units = sp_unit_get_list(bases); - g_return_if_fail(units != NULL); - sp_unit_free_list(us->units); - us->units = units; - us->unit = static_cast<SPUnit *>(units->data); - - spus_rebuild_menu(us); -} - -void -sp_unit_selector_add_unit(SPUnitSelector *us, SPUnit const *unit, int position) -{ - if (!g_slist_find(us->units, (gpointer) unit)) { - us->units = g_slist_insert(us->units, (gpointer) unit, position); - - spus_rebuild_menu(us); - } -} - -void -sp_unit_selector_set_unit(SPUnitSelector *us, SPUnit const *unit) -{ - g_return_if_fail(us != NULL); - g_return_if_fail(SP_IS_UNIT_SELECTOR(us)); - - if (unit == NULL) { - return; // silently return, by default a newly created selector uses pt - } - if (unit == us->unit) { - return; - } - - gint const pos = g_slist_index(us->units, (gpointer) unit); - g_return_if_fail(pos >= 0); - - gtk_combo_box_set_active(GTK_COMBO_BOX(us->combo_box), pos); - - SPUnit const *old = us->unit; - us->unit = unit; - - /* Recalculate adjustments */ - for (GSList *l = us->adjustments; l != NULL; l = l->next) { - GtkAdjustment *adj = GTK_ADJUSTMENT(l->data); - gdouble const val = sp_convert_distance_full(gtk_adjustment_get_value (adj), *old, *unit); - gtk_adjustment_set_value(adj, val); - } -} - -void -sp_unit_selector_add_adjustment(SPUnitSelector *us, GtkAdjustment *adj) -{ - g_return_if_fail(us != NULL); - g_return_if_fail(SP_IS_UNIT_SELECTOR(us)); - g_return_if_fail(adj != NULL); - g_return_if_fail(GTK_IS_ADJUSTMENT(adj)); - - g_return_if_fail(!g_slist_find(us->adjustments, adj)); - - g_object_ref(adj); - us->adjustments = g_slist_prepend(us->adjustments, adj); -} - -void -sp_unit_selector_remove_adjustment(SPUnitSelector *us, GtkAdjustment *adj) -{ - g_return_if_fail(us != NULL); - g_return_if_fail(SP_IS_UNIT_SELECTOR(us)); - g_return_if_fail(adj != NULL); - g_return_if_fail(GTK_IS_ADJUSTMENT(adj)); - - g_return_if_fail(g_slist_find(us->adjustments, adj)); - - us->adjustments = g_slist_remove(us->adjustments, adj); - g_object_unref(adj); -} - -gboolean -sp_unit_selector_update_test(SPUnitSelector const *selector) -{ - g_return_val_if_fail(selector != NULL, FALSE); - g_return_val_if_fail(SP_IS_UNIT_SELECTOR(selector), FALSE); - - return selector->update; -} - -double -sp_unit_selector_get_value_in_pixels(SPUnitSelector const *selector, GtkAdjustment *adj) -{ - g_return_val_if_fail(selector != NULL, gtk_adjustment_get_value (adj)); - g_return_val_if_fail(SP_IS_UNIT_SELECTOR(selector), gtk_adjustment_get_value (adj)); - - return sp_units_get_pixels(gtk_adjustment_get_value (adj), *(selector->unit)); -} - -void -sp_unit_selector_set_value_in_pixels(SPUnitSelector *selector, GtkAdjustment *adj, double value) -{ - g_return_if_fail(selector != NULL); - g_return_if_fail(SP_IS_UNIT_SELECTOR(selector)); - - gtk_adjustment_set_value(adj, sp_pixels_get_units(value, *(selector->unit))); -} - -/* - Local Variables: - mode:c++ - c-file-style:"stroustrup" - c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) - indent-tabs-mode:nil - fill-column:99 - End: -*/ -// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |