/** @file * Collection of shorthands to deal with GDK events. */ /* Authors: * Krzysztof Kosiński * * Copyright (C) 2009 Authors * Released under GNU GPL, read the file 'COPYING' for more information */ #include #include #include #include "display/sp-canvas.h" #include "ui/tool/event-utils.h" #if !GTK_CHECK_VERSION(2,22,0) #define GDK_KEY_Up 0xff52 #define GDK_KEY_KP_Up 0xff97 #define GDK_KEY_Down 0xff54 #define GDK_KEY_KP_Down 0xff99 #define GDK_KEY_Left 0xff51 #define GDK_KEY_KP_Left 0xff96 #define GDK_KEY_Right 0xff53 #define GDK_KEY_KP_Right 0xff98 #define GDK_KEY_Home 0xff50 #define GDK_KEY_KP_Home 0xff95 #define GDK_KEY_End 0xff57 #define GDK_KEY_KP_End 0xff9c #define GDK_KEY_a 0x061 #define GDK_KEY_A 0x041 #define GDK_KEY_g 0x067 #define GDK_KEY_G 0x047 #define GDK_KEY_l 0x06c #define GDK_KEY_L 0x04c #define GDK_KEY_r 0x072 #define GDK_KEY_R 0x052 #define GDK_KEY_s 0x073 #define GDK_KEY_S 0x053 #define GDK_KEY_u 0x075 #define GDK_KEY_U 0x055 #define GDK_KEY_x 0x078 #define GDK_KEY_X 0x058 #define GDK_KEY_z 0x07a #define GDK_KEY_Z 0x05a #define GDK_KEY_Escape 0xff1b #define GDK_KEY_Control_L 0xffe3 #define GDK_KEY_Control_R 0xffe4 #define GDK_KEY_Alt_L 0xffe9 #define GDK_KEY_Alt_R 0xffea #define GDK_KEY_Shift_L 0xffe1 #define GDK_KEY_Shift_R 0xffe2 #define GDK_KEY_Meta_L 0xffe7 #define GDK_KEY_Meta_R 0xffe8 #define GDK_KEY_KP_0 0xffb0 #define GDK_KEY_KP_1 0xffb1 #define GDK_KEY_KP_2 0xffb2 #define GDK_KEY_KP_3 0xffb3 #define GDK_KEY_KP_4 0xffb4 #define GDK_KEY_KP_5 0xffb5 #define GDK_KEY_KP_6 0xffb6 #define GDK_KEY_KP_7 0xffb7 #define GDK_KEY_KP_8 0xffb8 #define GDK_KEY_KP_9 0xffb9 #define GDK_KEY_Insert 0xff63 #define GDK_KEY_KP_Insert 0xff9e #define GDK_KEY_Delete 0xffff #define GDK_KEY_KP_Delete 0xff9f #define GDK_KEY_BackSpace 0xff08 #define GDK_KEY_Return 0xff0d #define GDK_KEY_KP_Enter 0xff8d #define GDK_KEY_space 0x020 #define GDK_KEY_Tab 0xff09 #define GDK_KEY_ISO_Left_Tab 0xfe20 #define GDK_KEY_bracketleft 0x05b #define GDK_KEY_bracketright 0x05d #define GDK_KEY_less 0x03c #define GDK_KEY_greater 0x03e #define GDK_KEY_comma 0x02c #define GDK_KEY_period 0x02e #endif namespace Inkscape { namespace UI { guint shortcut_key(GdkEventKey const &event) { guint shortcut_key = 0; gdk_keymap_translate_keyboard_state( gdk_keymap_get_for_display(gdk_display_get_default()), event.hardware_keycode, (GdkModifierType) event.state, 0 /*event->key.group*/, &shortcut_key, NULL, NULL, NULL); return shortcut_key; } unsigned combine_key_events(guint keyval, gint mask) { GdkEvent *event_next; gint i = 0; event_next = gdk_event_get(); // while the next event is also a key notify with the same keyval and mask, while (event_next && (event_next->type == GDK_KEY_PRESS || event_next->type == GDK_KEY_RELEASE) && event_next->key.keyval == keyval && (!mask || event_next->key.state & mask)) { if (event_next->type == GDK_KEY_PRESS) i ++; // kill it gdk_event_free(event_next); // get next event_next = gdk_event_get(); } // otherwise, put it back onto the queue if (event_next) gdk_event_put(event_next); return i; } unsigned combine_motion_events(SPCanvas *canvas, GdkEventMotion &event, gint mask) { GdkEvent *event_next; gint i = 0; event.x -= canvas->x0; event.y -= canvas->y0; event_next = gdk_event_get(); // while the next event is also a motion notify while (event_next && event_next->type == GDK_MOTION_NOTIFY && (!mask || event_next->motion.state & mask)) { if (event_next->motion.device == event.device) { GdkEventMotion &next = event_next->motion; event.send_event = next.send_event; event.time = next.time; event.x = next.x; event.y = next.y; event.state = next.state; event.is_hint = next.is_hint; event.x_root = next.x_root; event.y_root = next.y_root; if (event.axes && next.axes) { #if GTK_CHECK_VERSION(2,22,0) memcpy(event.axes, next.axes, gdk_device_get_n_axes(event.device)); #else memcpy(event.axes, next.axes, event.device->num_axes); #endif } } // kill it gdk_event_free(event_next); event_next = gdk_event_get(); i++; } // otherwise, put it back onto the queue if (event_next) gdk_event_put(event_next); event.x += canvas->x0; event.y += canvas->y0; return i; } /** Returns the modifier state valid after this event. Use this when you process events * that change the modifier state. Currently handles only Shift, Ctrl, Alt. */ unsigned state_after_event(GdkEvent *event) { unsigned state = 0; switch (event->type) { case GDK_KEY_PRESS: state = event->key.state; switch(shortcut_key(event->key)) { case GDK_KEY_Shift_L: case GDK_KEY_Shift_R: state |= GDK_SHIFT_MASK; break; case GDK_KEY_Control_L: case GDK_KEY_Control_R: state |= GDK_CONTROL_MASK; break; case GDK_KEY_Alt_L: case GDK_KEY_Alt_R: state |= GDK_MOD1_MASK; break; default: break; } break; case GDK_KEY_RELEASE: state = event->key.state; switch(shortcut_key(event->key)) { case GDK_KEY_Shift_L: case GDK_KEY_Shift_R: state &= ~GDK_SHIFT_MASK; break; case GDK_KEY_Control_L: case GDK_KEY_Control_R: state &= ~GDK_CONTROL_MASK; break; case GDK_KEY_Alt_L: case GDK_KEY_Alt_R: state &= ~GDK_MOD1_MASK; break; default: break; } break; default: break; } return state; } } // namespace UI } // namespace Inkscape /* 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 :