diff options
| -rw-r--r-- | include/ui/gtk.h | 1 | ||||
| -rw-r--r-- | qapi/ui.json | 5 | ||||
| -rw-r--r-- | ui/gtk.c | 46 |
3 files changed, 34 insertions, 18 deletions
diff --git a/include/ui/gtk.h b/include/ui/gtk.h index b7cfbf2..3e6ce3c 100644 --- a/include/ui/gtk.h +++ b/include/ui/gtk.h @@ -41,6 +41,7 @@ typedef struct VirtualGfxConsole { DisplaySurface *ds; pixman_image_t *convert; cairo_surface_t *surface; + double preferred_scale; double scale_x; double scale_y; #if defined(CONFIG_OPENGL) diff --git a/qapi/ui.json b/qapi/ui.json index 9e496b4..a465d67 100644 --- a/qapi/ui.json +++ b/qapi/ui.json @@ -1338,6 +1338,8 @@ # @keep-aspect-ratio: Keep width/height aspect ratio of guest content when # resizing host window. Defaults to "on". (Since 10.1) # +# @scale: Set preferred scale of the display. Defaults to 1.0. (Since 10.1) +# # Since: 2.12 ## { 'struct' : 'DisplayGTK', @@ -1345,7 +1347,8 @@ '*zoom-to-fit' : 'bool', '*show-tabs' : 'bool', '*show-menubar' : 'bool', - '*keep-aspect-ratio' : 'bool' } } + '*keep-aspect-ratio' : 'bool', + '*scale' : 'number' } } ## # @DisplayEGLHeadless: @@ -67,6 +67,7 @@ #define VC_TERM_X_MIN 80 #define VC_TERM_Y_MIN 25 #define VC_SCALE_MIN 0.25 +#define VC_SCALE_MAX 4 #define VC_SCALE_STEP 0.25 #ifdef GDK_WINDOWING_X11 @@ -272,15 +273,11 @@ static void gd_update_geometry_hints(VirtualConsole *vc) if (!vc->gfx.ds) { return; } - if (s->free_scale) { - geo.min_width = surface_width(vc->gfx.ds) * VC_SCALE_MIN; - geo.min_height = surface_height(vc->gfx.ds) * VC_SCALE_MIN; - mask |= GDK_HINT_MIN_SIZE; - } else { - geo.min_width = surface_width(vc->gfx.ds) * vc->gfx.scale_x; - geo.min_height = surface_height(vc->gfx.ds) * vc->gfx.scale_y; - mask |= GDK_HINT_MIN_SIZE; - } + double scale_x = s->free_scale ? VC_SCALE_MIN : vc->gfx.scale_x; + double scale_y = s->free_scale ? VC_SCALE_MIN : vc->gfx.scale_y; + geo.min_width = surface_width(vc->gfx.ds) * scale_x; + geo.min_height = surface_height(vc->gfx.ds) * scale_y; + mask |= GDK_HINT_MIN_SIZE; geo_widget = vc->gfx.drawing_area; gtk_widget_set_size_request(geo_widget, geo.min_width, geo.min_height); @@ -1579,8 +1576,8 @@ static void gd_menu_full_screen(GtkMenuItem *item, void *opaque) } s->full_screen = FALSE; if (vc->type == GD_VC_GFX) { - vc->gfx.scale_x = 1.0; - vc->gfx.scale_y = 1.0; + vc->gfx.scale_x = vc->gfx.preferred_scale; + vc->gfx.scale_y = vc->gfx.preferred_scale; gd_update_windowsize(vc); } } @@ -1636,8 +1633,8 @@ static void gd_menu_zoom_fixed(GtkMenuItem *item, void *opaque) GtkDisplayState *s = opaque; VirtualConsole *vc = gd_vc_find_current(s); - vc->gfx.scale_x = 1.0; - vc->gfx.scale_y = 1.0; + vc->gfx.scale_x = vc->gfx.preferred_scale; + vc->gfx.scale_y = vc->gfx.preferred_scale; gd_update_windowsize(vc); } @@ -1651,8 +1648,8 @@ static void gd_menu_zoom_fit(GtkMenuItem *item, void *opaque) s->free_scale = TRUE; } else { s->free_scale = FALSE; - vc->gfx.scale_x = 1.0; - vc->gfx.scale_y = 1.0; + vc->gfx.scale_x = vc->gfx.preferred_scale; + vc->gfx.scale_y = vc->gfx.preferred_scale; } gd_update_windowsize(vc); @@ -2243,6 +2240,11 @@ static void gl_area_realize(GtkGLArea *area, VirtualConsole *vc) } #endif +static bool gd_scale_valid(double scale) +{ + return scale >= VC_SCALE_MIN && scale <= VC_SCALE_MAX; +} + static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc, QemuConsole *con, int idx, GSList *group, GtkWidget *view_menu) @@ -2252,8 +2254,18 @@ static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc, vc->label = qemu_console_get_label(con); vc->s = s; - vc->gfx.scale_x = 1.0; - vc->gfx.scale_y = 1.0; + vc->gfx.preferred_scale = 1.0; + if (s->opts->u.gtk.has_scale) { + if (gd_scale_valid(s->opts->u.gtk.scale)) { + vc->gfx.preferred_scale = s->opts->u.gtk.scale; + } else { + error_report("Invalid scale value %lf given, being ignored", + s->opts->u.gtk.scale); + s->opts->u.gtk.has_scale = false; + } + } + vc->gfx.scale_x = vc->gfx.preferred_scale; + vc->gfx.scale_y = vc->gfx.preferred_scale; #if defined(CONFIG_OPENGL) if (display_opengl) { |