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Add option to swap screens to gtk frontend 

Code taken from patch #2998869 by noodlebox.
This commit is contained in:
riccardom 2010-05-12 14:55:11 +00:00
parent b68eac1b42
commit 0e61c45d5f
1 changed files with 16 additions and 3 deletions
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19
desmume/src/gtk/main.cpp
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@ -122,6 +122,7 @@ static void ToggleAudio (GtkToggleAction *action);
#ifdef FAKE_MIC
static void ToggleMicNoise (GtkToggleAction *action);
#endif
static void ToggleSwapScreens(GtkToggleAction *action);
static void ToggleGap (GtkToggleAction *action);
static void SetRotation(GtkAction *action, GtkRadioAction *current);
static void SetOrientation(GtkAction *action, GtkRadioAction *current);
@ -227,6 +228,8 @@ static const char *ui_description =
" <menu action='OrientationMenu'>"
" <menuitem action='orient_vertical'/>"
" <menuitem action='orient_horizontal'/>"
" <separator/>"
" <menuitem action='orient_swapscreens'/>"
" </menu>"
" <menu action='InterpolationMenu'>"
" <menuitem action='interp_nearest'/>"
@ -308,7 +311,8 @@ static const GtkToggleActionEntry toggle_entries[] = {
{ "gap", NULL, "_Gap", NULL, NULL, G_CALLBACK(ToggleGap), FALSE},
{ "view_menu", NULL, "View _menu", NULL, NULL, G_CALLBACK(ToggleMenuVisible), TRUE},
{ "view_toolbar", NULL, "View _toolbar", NULL, NULL, G_CALLBACK(ToggleToolbarVisible), TRUE},
{ "view_statusbar", NULL, "View _statusbar", NULL, NULL, G_CALLBACK(ToggleStatusbarVisible), TRUE}
{ "view_statusbar", NULL, "View _statusbar", NULL, NULL, G_CALLBACK(ToggleStatusbarVisible), TRUE},
{ "orient_swapscreens", NULL, "S_wap screens", NULL, NULL, G_CALLBACK(ToggleSwapScreens), FALSE}
};
static const GtkRadioActionEntry interpolation_entries[] = {
@ -571,6 +575,7 @@ struct nds_screen_t {
gint touch_y;
gint touch_width;
gint touch_height;
gboolean swap;
};
struct nds_screen_t nds_screen;
@ -1034,6 +1039,10 @@ static void SetOrientation(GtkAction *action, GtkRadioAction *current)
UpdateDrawingAreaAspect();
}
static void ToggleSwapScreens(GtkToggleAction *action) {
nds_screen.swap = gtk_toggle_action_get_active(action);
}
static int ConfigureDrawingArea(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
{
return TRUE;
@ -1059,6 +1068,9 @@ static inline void gpu_screen_to_rgb(guchar * rgb, int size)
col = i - 256;
row = j + 192;
}
if (nds_screen.swap)
row = (row + 192) % 384;
gpu_pixel = *((u16 *) & GPU_screen[(col + row * 256) << 1]);
if (rot == 0 || rot == 180)
@ -1140,8 +1152,9 @@ static gboolean ExposeDrawingArea (GtkWidget *widget, GdkEventExpose *event, gpo
primaryPixbufOffsetX = 0;
primaryPixbufOffsetY = 0;
if ((nds_screen.orientation == ORIENT_VERTICAL && (nds_screen.rotation_angle == 90 || nds_screen.rotation_angle == 180))
|| (nds_screen.orientation == ORIENT_HORIZONTAL && (nds_screen.rotation_angle == 180 || nds_screen.rotation_angle == 270))) {
if ((nds_screen.swap) ^
((nds_screen.orientation == ORIENT_VERTICAL && (nds_screen.rotation_angle == 90 || nds_screen.rotation_angle == 180)) ||
(nds_screen.orientation == ORIENT_HORIZONTAL && (nds_screen.rotation_angle == 180 || nds_screen.rotation_angle == 270)))) {
nds_screen.touch_x = primaryOffsetX;
nds_screen.touch_y = primaryOffsetY;
} else {