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-rw-r--r--src/bridge_gui.cpp65
1 files changed, 48 insertions, 17 deletions
diff --git a/src/bridge_gui.cpp b/src/bridge_gui.cpp
index dbee44c60..85757bdf7 100644
--- a/src/bridge_gui.cpp
+++ b/src/bridge_gui.cpp
@@ -18,12 +18,18 @@
#include "bridge.h"
static struct BridgeData {
+ uint8 last_size;
uint count;
TileIndex start_tile;
TileIndex end_tile;
uint8 type;
uint8 indexes[MAX_BRIDGES];
Money costs[MAX_BRIDGES];
+
+ BridgeData()
+ : last_size(4)
+ , count(0)
+ {};
} _bridgedata;
void CcBuildBridge(bool success, TileIndex tile, uint32 p1, uint32 p2)
@@ -39,9 +45,32 @@ static void BuildBridge(Window *w, int i)
CMD_BUILD_BRIDGE | CMD_MSG(STR_5015_CAN_T_BUILD_BRIDGE_HERE));
}
+/* Names of the build bridge selection window */
+enum BuildBridgeSelectionWidgets {
+ BBSW_CLOSEBOX = 0,
+ BBSW_CAPTION,
+ BBSW_BRIDGE_LIST,
+ BBSW_SCROLLBAR,
+ BBSW_RESIZEBOX
+};
+
static void BuildBridgeWndProc(Window *w, WindowEvent *e)
{
switch (e->event) {
+ case WE_CREATE:
+ w->resize.step_height = 22;
+ w->vscroll.count = _bridgedata.count;
+
+ if (_bridgedata.last_size <= 4) {
+ w->vscroll.cap = 4;
+ } else {
+ /* Resize the bridge selection window if we used a bigger one the last time */
+ w->vscroll.cap = (w->vscroll.count > _bridgedata.last_size) ? _bridgedata.last_size : w->vscroll.count;
+ ResizeWindow(w, 0, (w->vscroll.cap - 4) * w->resize.step_height);
+ w->widget[BBSW_BRIDGE_LIST].data = (w->vscroll.cap << 8) + 1;
+ }
+ break;
+
case WE_PAINT: {
DrawWindowWidgets(w);
@@ -71,7 +100,7 @@ static void BuildBridgeWndProc(Window *w, WindowEvent *e)
}
case WE_CLICK:
- if (e->we.click.widget == 2) {
+ if (e->we.click.widget == BBSW_BRIDGE_LIST) {
uint ind = ((int)e->we.click.pt.y - 14) / w->resize.step_height;
if (ind < w->vscroll.cap) {
ind += w->vscroll.pos;
@@ -84,21 +113,25 @@ static void BuildBridgeWndProc(Window *w, WindowEvent *e)
case WE_RESIZE:
w->vscroll.cap += e->we.sizing.diff.y / (int)w->resize.step_height;
- w->widget[2].data = (w->vscroll.cap << 8) + 1;
+ w->widget[BBSW_BRIDGE_LIST].data = (w->vscroll.cap << 8) + 1;
SetVScrollCount(w, _bridgedata.count);
+
+ _bridgedata.last_size = w->vscroll.cap;
break;
}
}
+/* Widget definition for the rail bridge selection window */
static const Widget _build_bridge_widgets[] = {
-{ WWT_CLOSEBOX, RESIZE_NONE, 7, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW},
-{ WWT_CAPTION, RESIZE_NONE, 7, 11, 199, 0, 13, STR_100D_SELECT_RAIL_BRIDGE, STR_018C_WINDOW_TITLE_DRAG_THIS},
-{ WWT_MATRIX, RESIZE_BOTTOM, 7, 0, 187, 14, 101, 0x401, STR_101F_BRIDGE_SELECTION_CLICK},
-{ WWT_SCROLLBAR, RESIZE_BOTTOM, 7, 188, 199, 14, 89, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST},
-{ WWT_RESIZEBOX, RESIZE_TB, 7, 188, 199, 90, 101, 0x0, STR_RESIZE_BUTTON},
+{ WWT_CLOSEBOX, RESIZE_NONE, 7, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW}, // BBSW_CLOSEBOX
+{ WWT_CAPTION, RESIZE_NONE, 7, 11, 199, 0, 13, STR_100D_SELECT_RAIL_BRIDGE, STR_018C_WINDOW_TITLE_DRAG_THIS}, // BBSW_CAPTION
+{ WWT_MATRIX, RESIZE_BOTTOM, 7, 0, 187, 14, 101, 0x401, STR_101F_BRIDGE_SELECTION_CLICK}, // BBSW_BRIDGE_LIST
+{ WWT_SCROLLBAR, RESIZE_BOTTOM, 7, 188, 199, 14, 89, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST}, // BBSW_SCROLLBAR
+{ WWT_RESIZEBOX, RESIZE_TB, 7, 188, 199, 90, 101, 0x0, STR_RESIZE_BUTTON}, // BBSW_RESIZEBOX
{ WIDGETS_END},
};
+/* Window definition for the rail bridge selection window */
static const WindowDesc _build_bridge_desc = {
WDP_AUTO, WDP_AUTO, 200, 102, 200, 102,
WC_BUILD_BRIDGE, WC_BUILD_TOOLBAR,
@@ -107,16 +140,17 @@ static const WindowDesc _build_bridge_desc = {
BuildBridgeWndProc
};
-
+/* Widget definition for the road bridge selection window */
static const Widget _build_road_bridge_widgets[] = {
-{ WWT_CLOSEBOX, RESIZE_NONE, 7, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW},
-{ WWT_CAPTION, RESIZE_NONE, 7, 11, 199, 0, 13, STR_1803_SELECT_ROAD_BRIDGE, STR_018C_WINDOW_TITLE_DRAG_THIS},
-{ WWT_MATRIX, RESIZE_BOTTOM, 7, 0, 187, 14, 101, 0x401, STR_101F_BRIDGE_SELECTION_CLICK},
-{ WWT_SCROLLBAR, RESIZE_BOTTOM, 7, 188, 199, 14, 89, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST},
-{ WWT_RESIZEBOX, RESIZE_TB, 7, 188, 199, 90, 101, 0x0, STR_RESIZE_BUTTON},
+{ WWT_CLOSEBOX, RESIZE_NONE, 7, 0, 10, 0, 13, STR_00C5, STR_018B_CLOSE_WINDOW}, // BBSW_CLOSEBOX
+{ WWT_CAPTION, RESIZE_NONE, 7, 11, 199, 0, 13, STR_1803_SELECT_ROAD_BRIDGE, STR_018C_WINDOW_TITLE_DRAG_THIS}, // BBSW_CAPTION
+{ WWT_MATRIX, RESIZE_BOTTOM, 7, 0, 187, 14, 101, 0x401, STR_101F_BRIDGE_SELECTION_CLICK}, // BBSW_BRIDGE_LIST
+{ WWT_SCROLLBAR, RESIZE_BOTTOM, 7, 188, 199, 14, 89, 0x0, STR_0190_SCROLL_BAR_SCROLLS_LIST}, // BBSW_SCROLLBAR
+{ WWT_RESIZEBOX, RESIZE_TB, 7, 188, 199, 90, 101, 0x0, STR_RESIZE_BUTTON}, // BBSW_RESIZEBOX
{ WIDGETS_END},
};
+/* Window definition for the road bridge selection window */
static const WindowDesc _build_road_bridge_desc = {
WDP_AUTO, WDP_AUTO, 200, 102, 200, 102,
WC_BUILD_BRIDGE, WC_BUILD_TOOLBAR,
@@ -167,10 +201,7 @@ void ShowBuildBridgeWindow(TileIndex start, TileIndex end, byte bridge_type)
}
if (j != 0) {
- Window *w = AllocateWindowDesc((_bridgedata.type & 0x80) ? &_build_road_bridge_desc : &_build_bridge_desc);
- w->vscroll.cap = 4;
- w->vscroll.count = j;
- w->resize.step_height = 22;
+ AllocateWindowDesc((_bridgedata.type & 0x80) ? &_build_road_bridge_desc : &_build_bridge_desc);
} else {
ShowErrorMessage(errmsg, STR_5015_CAN_T_BUILD_BRIDGE_HERE, TileX(end) * TILE_SIZE, TileY(end) * TILE_SIZE);
}