diff options
| author | Egor <egor.yusov@gmail.com> | 2019-10-13 05:01:56 +0000 |
|---|---|---|
| committer | Egor <egor.yusov@gmail.com> | 2019-10-13 05:01:56 +0000 |
| commit | 7641cac9de1c6f82d74f315bdc2b18ec0d046ad3 (patch) | |
| tree | 2d28b3732a30b04885cdaa0133e97d97fcc6d28a /Common/NativeApp/src | |
| parent | Updated samples module (updated gradle settings) (diff) | |
| download | DiligentEngine-7641cac9de1c6f82d74f315bdc2b18ec0d046ad3.tar.gz DiligentEngine-7641cac9de1c6f82d74f315bdc2b18ec0d046ad3.zip | |
Linux app: added limitation on the minimum window size
Diffstat (limited to 'Common/NativeApp/src')
| -rw-r--r-- | Common/NativeApp/src/Linux/LinuxMain.cpp | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/Common/NativeApp/src/Linux/LinuxMain.cpp b/Common/NativeApp/src/Linux/LinuxMain.cpp index 381737c..801ab49 100644 --- a/Common/NativeApp/src/Linux/LinuxMain.cpp +++ b/Common/NativeApp/src/Linux/LinuxMain.cpp @@ -49,8 +49,10 @@ typedef GLXContext (*glXCreateContextAttribsARBProc)(Display*, GLXFBConfig, GLXContext, int, const int*);
-static constexpr uint16_t WindowWidth = 1024;
-static constexpr uint16_t WindowHeight = 768;
+static constexpr uint16_t WindowWidth = 1024;
+static constexpr uint16_t WindowHeight = 768;
+static constexpr uint16_t MinWindowWidth = 320;
+static constexpr uint16_t MinWindowHeight = 240;
using namespace Diligent;
@@ -84,6 +86,35 @@ private: #if VULKAN_SUPPORTED
+// https://code.woboq.org/qt5/include/xcb/xcb_icccm.h.html
+enum XCB_SIZE_HINT
+{
+ XCB_SIZE_HINT_US_POSITION = 1 << 0,
+ XCB_SIZE_HINT_US_SIZE = 1 << 1,
+ XCB_SIZE_HINT_P_POSITION = 1 << 2,
+ XCB_SIZE_HINT_P_SIZE = 1 << 3,
+ XCB_SIZE_HINT_P_MIN_SIZE = 1 << 4,
+ XCB_SIZE_HINT_P_MAX_SIZE = 1 << 5,
+ XCB_SIZE_HINT_P_RESIZE_INC = 1 << 6,
+ XCB_SIZE_HINT_P_ASPECT = 1 << 7,
+ XCB_SIZE_HINT_BASE_SIZE = 1 << 8,
+ XCB_SIZE_HINT_P_WIN_GRAVITY = 1 << 9
+};
+
+struct xcb_size_hints_t
+{
+ uint32_t flags; /** User specified flags */
+ int32_t x, y; /** User-specified position */
+ int32_t width, height; /** User-specified size */
+ int32_t min_width, min_height; /** Program-specified minimum size */
+ int32_t max_width, max_height; /** Program-specified maximum size */
+ int32_t width_inc, height_inc; /** Program-specified resize increments */
+ int32_t min_aspect_num, min_aspect_den; /** Program-specified minimum aspect ratios */
+ int32_t max_aspect_num, max_aspect_den; /** Program-specified maximum aspect ratios */
+ int32_t base_width, base_height; /** Program-specified base size */
+ uint32_t win_gravity; /** Program-specified window gravity */
+};
+
struct XCBInfo
{
xcb_connection_t* connection = nullptr;
@@ -147,6 +178,14 @@ XCBInfo InitXCBConnectionAndWindow(const std::string& Title) xcb_change_property(info.connection, XCB_PROP_MODE_REPLACE, info.window, XCB_ATOM_WM_NAME, XCB_ATOM_STRING,
8, Title.length(), Title.c_str() );
+ // https://stackoverflow.com/a/27771295
+ xcb_size_hints_t hints = {};
+ hints.flags = XCB_SIZE_HINT_P_MIN_SIZE;
+ hints.min_width = MinWindowWidth;
+ hints.min_height = MinWindowHeight;
+ xcb_change_property(info.connection, XCB_PROP_MODE_REPLACE, info.window, XCB_ATOM_WM_NORMAL_HINTS, XCB_ATOM_WM_SIZE_HINTS,
+ 32, sizeof(xcb_size_hints_t), &hints);
+
xcb_map_window(info.connection, info.window);
// Force the x/y coordinates to 100,100 results are identical in consecutive
@@ -324,6 +363,15 @@ int x_main() return -1;
}
+ {
+ auto SizeHints = XAllocSizeHints();
+ SizeHints->flags = PMinSize;
+ SizeHints->min_width = MinWindowWidth;
+ SizeHints->min_height = MinWindowHeight;
+ XSetWMNormalHints(display, win, SizeHints);
+ XFree(SizeHints);
+ }
+
XMapWindow(display, win);
glXCreateContextAttribsARBProc glXCreateContextAttribsARB = nullptr;
|