Extend libwindow with more component interactions

applications/libwindow/inc/libwindow/component.hpp

@@ -110,6 +110,8 @@ class g_component : public g_bounding_component
     bool setDispatchesFocus(bool d);
     bool isDispatchesFocus();
 
+    bool setPreferredSize(g_dimension size);
+
     bool setNumericProperty(int property, uint32_t value);
     bool getNumericProperty(int property, uint32_t* out);
 
@@ -119,6 +121,11 @@ class g_component : public g_bounding_component
     bool addVisibleListener(g_visible_listener* listener);
     bool addVisibleListener(g_visible_listener_func listener);
 
+    bool setFlexOrientation(bool horizontal);
+    bool setFlexComponentInfo(g_component* child, float grow, float shrink, int basis);
+    bool setFlexPadding(g_insets padding);
+    bool setFlexGap(int gap);
+
     void handle(g_ui_component_event_header* header);
 
     bool setLayout(g_ui_layout_manager layout);

applications/libwindow/inc/libwindow/interface.hpp

@@ -73,6 +73,12 @@ typedef uint8_t g_ui_protocol_command_id;
 #define G_UI_PROTOCOL_CANVAS_BLIT				((g_ui_protocol_command_id) 12)
 #define G_UI_PROTOCOL_REGISTER_DESKTOP_CANVAS	((g_ui_protocol_command_id) 13)
 #define G_UI_PROTOCOL_GET_SCREEN_DIMENSION		((g_ui_protocol_command_id) 14)
+#define G_UI_PROTOCOL_FLEX_SET_ORIENTATION		((g_ui_protocol_command_id) 15)
+#define G_UI_PROTOCOL_FLEX_SET_COMPONENT_INFO   ((g_ui_protocol_command_id) 16)
+#define G_UI_PROTOCOL_FLEX_SET_PADDING          ((g_ui_protocol_command_id) 17)
+#define G_UI_PROTOCOL_SCROLLPANE_SET_CONTENT    ((g_ui_protocol_command_id) 18)
+#define G_UI_PROTOCOL_SCROLLPANE_SET_FIXED      ((g_ui_protocol_command_id) 19)
+#define G_UI_PROTOCOL_SET_PREFERRED_SIZE        ((g_ui_protocol_command_id) 20)
 
 /**
  * Common status for requests
@@ -91,6 +97,8 @@ const g_ui_component_type G_UI_COMPONENT_TYPE_LABEL = 2;
 const g_ui_component_type G_UI_COMPONENT_TYPE_TEXTFIELD = 3;
 const g_ui_component_type G_UI_COMPONENT_TYPE_CANVAS = 4;
 const g_ui_component_type G_UI_COMPONENT_TYPE_SELECTION = 5;
+const g_ui_component_type G_UI_COMPONENT_TYPE_PANEL = 6;
+const g_ui_component_type G_UI_COMPONENT_TYPE_SCROLLPANE = 7;
 
 /**
  * Types of events that can be listened to
@@ -113,6 +121,7 @@ const g_ui_component_event_type G_UI_COMPONENT_EVENT_TYPE_VISIBLE = 9;
 typedef uint8_t g_ui_layout_manager;
 #define G_UI_LAYOUT_MANAGER_GRID ((g_ui_layout_manager) 0)
 #define G_UI_LAYOUT_MANAGER_FLOW ((g_ui_layout_manager) 1)
+#define G_UI_LAYOUT_MANAGER_FLEX ((g_ui_layout_manager) 2)
 
 /**
  *
@@ -148,6 +157,15 @@ typedef struct
     g_tid window_server_delegate;
 } __attribute__((packed)) g_ui_initialize_response;
 
+/**
+ * Generic response
+ */
+typedef struct
+{
+    g_ui_message_header header;
+    g_ui_protocol_status status;
+} __attribute__((packed)) g_ui_simple_response;
+
 /**
  * Request sent to create a component.
  */
@@ -199,7 +217,7 @@ typedef struct
 } __attribute__((packed)) g_ui_component_add_child_response;
 
 /**
- * Request/response for setting bounds
+ * Setting bounds
  */
 typedef struct
 {
@@ -208,11 +226,15 @@ typedef struct
     g_rectangle bounds;
 } __attribute__((packed)) g_ui_component_set_bounds_request;
 
+/**
+ * Setting preferred size
+ */
 typedef struct
 {
     g_ui_message_header header;
-    g_ui_protocol_status status;
-} __attribute__((packed)) g_ui_component_set_bounds_response;
+    g_ui_component_id id;
+    g_dimension size;
+} __attribute__((packed)) g_ui_component_set_preferred_size_request;
 
 /**
  * Request/response for getting bounds
@@ -350,6 +372,60 @@ typedef struct
     g_dimension size;
 } __attribute__((packed)) g_ui_get_screen_dimension_response;
 
+/**
+ * Setting flex orientation
+ */
+typedef struct
+{
+    g_ui_message_header header;
+    g_ui_component_id id;
+    bool horizontal;
+} __attribute__((packed)) g_ui_flex_set_orientation_request;
+
+/**
+ * Setting flex info for a component
+ */
+typedef struct
+{
+    g_ui_message_header header;
+    g_ui_component_id parent;
+    g_ui_component_id child;
+    float grow;
+    float shrink;
+    int basis;
+} __attribute__((packed)) g_ui_flex_set_component_info;
+
+/**
+ * Setting flex padding
+ */
+typedef struct
+{
+    g_ui_message_header header;
+    g_ui_component_id id;
+    g_insets insets;
+} __attribute__((packed)) g_ui_flex_set_padding;
+
+/**
+ * Scrollpane content
+ */
+typedef struct
+{
+    g_ui_message_header header;
+    g_ui_component_id scrollpane;
+    g_ui_component_id content;
+} __attribute__((packed)) g_ui_scrollpane_set_content;
+
+/**
+ * Scrollpane fixed sizes
+ */
+typedef struct
+{
+    g_ui_message_header header;
+    g_ui_component_id scrollpane;
+    bool width;
+    bool height;
+} __attribute__((packed)) g_ui_scrollpane_set_fixed;
+
 /**
  * Event structures
  */

applications/libwindow/inc/libwindow/panel.hpp

@@ -0,0 +1,36 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *                                                                           *
+ *  Ghost, a micro-kernel based operating system for the x86 architecture    *
+ *  Copyright (C) 2025, Max Schlüssel <lokoxe@gmail.com>                     *
+ *                                                                           *
+ *  This program is free software: you can redistribute it and/or modify     *
+ *  it under the terms of the GNU General Public License as published by     *
+ *  the Free Software Foundation, either version 3 of the License, or        *
+ *  (at your option) any later version.                                      *
+ *                                                                           *
+ *  This program is distributed in the hope that it will be useful,          *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
+ *  GNU General Public License for more details.                             *
+ *                                                                           *
+ *  You should have received a copy of the GNU General Public License        *
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.    *
+ *                                                                           *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#ifndef LIBWINDOW_PANEL
+#define LIBWINDOW_PANEL
+
+#include "component.hpp"
+
+class g_panel : virtual public g_component
+{
+public:
+    explicit g_panel(g_ui_component_id id) : g_component(id)
+    {
+    }
+
+    static g_panel* create();
+};
+
+#endif

applications/libwindow/inc/libwindow/properties.hpp

@@ -38,5 +38,6 @@
 #define G_UI_PROPERTY_VISIBLE           10
 #define G_UI_PROPERTY_FOCUSABLE         11
 #define G_UI_PROPERTY_DISPATCHES_FOCUS  12
+#define G_UI_PROPERTY_FLEX_GAP          13
 
 #endif

applications/libwindow/inc/libwindow/scrollpane.hpp

@@ -0,0 +1,39 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *                                                                           *
+ *  Ghost, a micro-kernel based operating system for the x86 architecture    *
+ *  Copyright (C) 2025, Max Schlüssel <lokoxe@gmail.com>                     *
+ *                                                                           *
+ *  This program is free software: you can redistribute it and/or modify     *
+ *  it under the terms of the GNU General Public License as published by     *
+ *  the Free Software Foundation, either version 3 of the License, or        *
+ *  (at your option) any later version.                                      *
+ *                                                                           *
+ *  This program is distributed in the hope that it will be useful,          *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
+ *  GNU General Public License for more details.                             *
+ *                                                                           *
+ *  You should have received a copy of the GNU General Public License        *
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.    *
+ *                                                                           *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#ifndef LIBWINDOW_SCROLLPANE
+#define LIBWINDOW_SCROLLPANE
+
+#include "component.hpp"
+
+class g_scrollpane : virtual public g_component
+{
+public:
+    explicit g_scrollpane(g_ui_component_id id) : g_component(id)
+    {
+    }
+
+    static g_scrollpane* create();
+
+	bool setContent(g_component* content);
+	bool setFixed(bool width, bool height);
+};
+
+#endif

applications/libwindow/src/component.cpp

@@ -68,17 +68,14 @@ bool g_component::setBounds(const g_rectangle& rect)
 	g_send_message_t(g_ui_delegate_tid, &request, sizeof(g_ui_component_set_bounds_request), tx);
 
 	// read response
-	size_t bufferSize = sizeof(g_message_header) + sizeof(g_ui_component_set_bounds_response);
-	uint8_t buffer[bufferSize];
-
-	bool success = false;
-	if(g_receive_message_t(buffer, bufferSize, tx) == G_MESSAGE_RECEIVE_STATUS_SUCCESSFUL)
+	size_t buflen = sizeof(g_message_header) + sizeof(g_ui_simple_response);
+	uint8_t buffer[buflen];
+	if(g_receive_message_t(buffer, buflen, tx) == G_MESSAGE_RECEIVE_STATUS_SUCCESSFUL)
 	{
-		auto response = (g_ui_component_set_bounds_response*) G_MESSAGE_CONTENT(buffer);
-		success = response->status == G_UI_PROTOCOL_SUCCESS;
+		auto response = (g_ui_simple_response*) G_MESSAGE_CONTENT(buffer);
+		return response->status == G_UI_PROTOCOL_SUCCESS;
 	}
-
-	return success;
+	return false;
 }
 
 g_rectangle g_component::getBounds()
@@ -284,3 +281,105 @@ bool g_component::setDispatchesFocus(bool d)
 {
 	return setNumericProperty(G_UI_PROPERTY_DISPATCHES_FOCUS, d ? 1 : 0);
 }
+
+bool g_component::setPreferredSize(g_dimension size)
+{
+	if(!g_ui_initialized)
+		return false;
+
+	g_message_transaction tx = g_get_message_tx_id();
+
+	g_ui_component_set_preferred_size_request request;
+	request.header.id = G_UI_PROTOCOL_SET_PREFERRED_SIZE;
+	request.id = this->id;
+	request.size = size;
+	g_send_message_t(g_ui_delegate_tid, &request, sizeof(request), tx);
+
+	size_t buflen = sizeof(g_message_header) + sizeof(g_ui_simple_response);
+	uint8_t buffer[buflen];
+	if(g_receive_message_t(buffer, buflen, tx) == G_MESSAGE_RECEIVE_STATUS_SUCCESSFUL)
+	{
+		auto response = (g_ui_simple_response*) G_MESSAGE_CONTENT(buffer);
+		return response->status == G_UI_PROTOCOL_SUCCESS;
+	}
+	return false;
+}
+
+bool g_component::setFlexOrientation(bool horizontal)
+{
+	if(!g_ui_initialized)
+		return false;
+
+	g_message_transaction tx = g_get_message_tx_id();
+
+	g_ui_flex_set_orientation_request request;
+	request.header.id = G_UI_PROTOCOL_FLEX_SET_ORIENTATION;
+	request.id = this->id;
+	request.horizontal = horizontal;
+	g_send_message_t(g_ui_delegate_tid, &request, sizeof(g_ui_flex_set_orientation_request), tx);
+
+	size_t buflen = sizeof(g_message_header) + sizeof(g_ui_simple_response);
+	uint8_t buffer[buflen];
+	if(g_receive_message_t(buffer, buflen, tx) == G_MESSAGE_RECEIVE_STATUS_SUCCESSFUL)
+	{
+		auto response = (g_ui_simple_response*) G_MESSAGE_CONTENT(buffer);
+		return response->status == G_UI_PROTOCOL_SUCCESS;
+	}
+	return false;
+}
+
+bool g_component::setFlexComponentInfo(g_component* child, float grow, float shrink, int basis)
+{
+	if(!g_ui_initialized)
+		return false;
+
+	g_message_transaction tx = g_get_message_tx_id();
+
+	g_ui_flex_set_component_info request;
+	request.header.id = G_UI_PROTOCOL_FLEX_SET_COMPONENT_INFO;
+	request.parent = this->id;
+	request.child = child->id;
+	request.grow = grow;
+	request.shrink = shrink;
+	request.basis = basis;
+	g_send_message_t(g_ui_delegate_tid, &request, sizeof(g_ui_flex_set_component_info), tx);
+
+	size_t buflen = sizeof(g_message_header) + sizeof(g_ui_simple_response);
+	uint8_t buffer[buflen];
+	if(g_receive_message_t(buffer, buflen, tx) == G_MESSAGE_RECEIVE_STATUS_SUCCESSFUL)
+	{
+		auto response = (g_ui_simple_response*) G_MESSAGE_CONTENT(buffer);
+		return response->status == G_UI_PROTOCOL_SUCCESS;
+	}
+	return false;
+}
+
+
+bool g_component::setFlexPadding(g_insets padding)
+{
+	if(!g_ui_initialized)
+		return false;
+
+	g_message_transaction tx = g_get_message_tx_id();
+
+	g_ui_flex_set_padding request;
+	request.header.id = G_UI_PROTOCOL_FLEX_SET_PADDING;
+	request.id = this->id;
+	request.insets = padding;
+	g_send_message_t(g_ui_delegate_tid, &request, sizeof(g_ui_flex_set_padding), tx);
+
+	size_t buflen = sizeof(g_message_header) + sizeof(g_ui_simple_response);
+	uint8_t buffer[buflen];
+	if(g_receive_message_t(buffer, buflen, tx) == G_MESSAGE_RECEIVE_STATUS_SUCCESSFUL)
+	{
+		auto response = (g_ui_simple_response*) G_MESSAGE_CONTENT(buffer);
+		return response->status == G_UI_PROTOCOL_SUCCESS;
+	}
+	return false;
+}
+
+
+bool g_component::setFlexGap(int gap)
+{
+	return setNumericProperty(G_UI_PROPERTY_FLEX_GAP, gap);
+}

applications/libwindow/src/panel.cpp

@@ -0,0 +1,26 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *                                                                           *
+ *  Ghost, a micro-kernel based operating system for the x86 architecture    *
+ *  Copyright (C) 2015, Max Schlüssel <lokoxe@gmail.com>                     *
+ *                                                                           *
+ *  This program is free software: you can redistribute it and/or modify     *
+ *  it under the terms of the GNU General Public License as published by     *
+ *  the Free Software Foundation, either version 3 of the License, or        *
+ *  (at your option) any later version.                                      *
+ *                                                                           *
+ *  This program is distributed in the hope that it will be useful,          *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
+ *  GNU General Public License for more details.                             *
+ *                                                                           *
+ *  You should have received a copy of the GNU General Public License        *
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.    *
+ *                                                                           *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include "libwindow/panel.hpp"
+
+g_panel* g_panel::create()
+{
+	return createComponent<g_panel, G_UI_COMPONENT_TYPE_PANEL>();
+}