Chat: Add colour scheme (themes) + 3d edge style.

data/language/en-GB.txt

@@ -4221,6 +4221,7 @@ STR_5909    :{SMALLFONT}{BLACK}Allows changing ride type freely. May cause crash
 STR_5910    :Apply
 STR_5911    :See-Through Paths
 STR_5912    :See-through paths toggle
+STR_5913    :Chat
 
 #############
 # Scenarios #

src/interface/Theme.cpp

@@ -173,6 +173,7 @@ WindowThemeDesc WindowThemeDescriptors[] =
     { THEME_WC(WC_PLAYER),                         STR_THEMES_WINDOW_PLAYER,       COLOURS_3(COLOUR_LIGHT_BLUE,               COLOUR_LIGHT_BLUE,               COLOUR_LIGHT_BLUE                                  ) },
     { THEME_WC(WC_NETWORK_STATUS),                 STR_THEMES_WINDOW_NETWORK_STATUS,       COLOURS_1(COLOUR_LIGHT_BLUE                                                                                                    ) },
     { THEME_WC(WC_SERVER_LIST),                    STR_SERVER_LIST,       COLOURS_2(COLOUR_LIGHT_BLUE,               COLOUR_LIGHT_BLUE                                                                   ) },
+    { THEME_WC(WC_CHAT),                           STR_CHAT,       COLOURS_1(TRANSLUCENT(COLOUR_GREY)                                                                                             ) },
 };
 
 #pragma endregion

src/interface/chat.c

@@ -22,6 +22,7 @@
 #include "../platform/platform.h"
 #include "chat.h"
 #include "../util/util.h"
+#include "../interface/themes.h"
 
 #define CHAT_HISTORY_SIZE 10
 #define CHAT_INPUT_SIZE 256
@@ -93,18 +94,48 @@ void chat_draw(rct_drawpixelinfo * dpi)
 	_chatBottom = gScreenHeight - 45;
 	char lineBuffer[CHAT_INPUT_SIZE + 10];
 	char* lineCh = lineBuffer;
-	int x = _chatLeft;
+	int x = _chatLeft + 5;
 	int y = _chatBottom - (15 * 2);
+	uint8 chatBackgroundColor = theme_get_colour(WC_CHAT, 0);
 	gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
 	gCurrentFontFlags = 0;
-
 	if (gChatOpen) {
-		gfx_set_dirty_blocks(_chatLeft - 3, _chatTop - 3, _chatRight + 3, _chatBottom + 3); //Background area + Textbox
-		gfx_fill_rect(dpi, _chatLeft - 3, _chatTop - 3, _chatRight + 3, _chatBottom - 15, 0x2000000 | 46); 	//Draw background below text only if the chat is opened.
-		gfx_fill_rect(dpi, _chatLeft - 3, _chatTop - 3, _chatRight + 3, _chatTop - 2, 11); //Border top
-		gfx_fill_rect(dpi, _chatLeft - 3, _chatBottom + 2, _chatRight + 3, _chatBottom + 3, 11); //Border bottom
-		gfx_fill_rect(dpi, _chatRight + 2, _chatTop - 3, _chatRight + 3, _chatBottom + 3, 11); //Border right
-		gfx_fill_rect(dpi, _chatLeft - 3, _chatTop - 3, _chatLeft - 2, _chatBottom + 3, 11); //Border left
+		gfx_set_dirty_blocks(_chatLeft, _chatTop - 5, _chatRight, _chatBottom + 5); //Background area + Textbox
+		gfx_fill_rect(
+			dpi,
+			_chatLeft,
+			_chatTop - 5,
+			_chatRight,
+			_chatBottom + 5,
+			0x2000000 | 51
+		); //Simulate window background (gray background).
+		gfx_fill_rect_inset(
+			dpi, 
+			_chatLeft, 
+			_chatTop - 5, 
+			_chatRight, 
+			_chatBottom + 5, 
+			chatBackgroundColor,
+			0x10
+		);
+		gfx_fill_rect_inset(
+			dpi, 
+			_chatLeft + 1, 
+			_chatTop - 4, 
+			_chatRight - 1, 
+			_chatBottom + 4, 
+			chatBackgroundColor,
+			0x20
+		);
+		gfx_fill_rect_inset(
+			dpi, 
+			x - 1, 
+			_chatBottom - 15,
+			_chatRight + 1, 
+			_chatBottom + 1,
+			chatBackgroundColor, 
+			0x20
+		); //Textbox
 	}
 	for (int i = 0; i < CHAT_HISTORY_SIZE; i++, y -= 15) {
 		if (!gChatOpen && SDL_TICKS_PASSED(SDL_GetTicks(), chat_history_get_time(i) + 10000)) {
@@ -119,9 +150,6 @@ void chat_draw(rct_drawpixelinfo * dpi)
 		lineCh = utf8_write_codepoint(lineCh, FORMAT_CELADON);
 		safe_strcpy(lineCh, _chatCurrentLine, CHAT_INPUT_SIZE);
 		y = _chatBottom - 15;
-
-		gfx_fill_rect(dpi, x - 1, y, _chatRight + 1, y + 16, 0x2000000 | 46);	// Textbox background
-		gfx_fill_rect(dpi, x - 3, y - 1, _chatRight + 3, y, 10); //Textbox border top
 		gfx_draw_string(dpi, lineBuffer, 255, x, y + 3);
 		if (_chatCaretTicks < 15) {
 			memcpy(lineBuffer, _chatCurrentLine, gTextInput.selection_offset);

src/interface/window.h

@@ -470,6 +470,7 @@ enum {
 	WC_STAFF = 220,
 	WC_EDITOR_TRACK_BOTTOM_TOOLBAR = 221,
 	WC_EDITOR_SCENARIO_BOTTOM_TOOLBAR = 222,
+	WC_CHAT = 223,
 };
 
 enum PROMPT_MODE {

src/localisation/string_ids.h

@@ -3345,6 +3345,7 @@ enum {
 	STR_APPLY = 5910,
 	STR_SEE_THROUGH_PATHS = 5911,
 	STR_SHORTCUT_SEE_THROUGH_PATHS_TOGGLE = 5912,
+	STR_CHAT = 5913,
 
 	// Have to include resource strings (from scenarios and objects) for the time being now that language is partially working
 	STR_COUNT = 32768

src/windows/themes.c

@@ -245,6 +245,7 @@ static rct_windowclass window_themes_tab_6_classes[] = {
 	WC_SERVER_LIST,
 	WC_MULTIPLAYER,
 	WC_PLAYER,
+	WC_CHAT,
 };
 
 static rct_windowclass window_themes_tab_7_classes[] = {